This page contains our current information on all known varieties of 1/2 kilo and kilo class Engelhard Legacy Ingots. Yes, all varieties displayed below are considered ‘uncommon’ or ‘rare’ and regarded as highly desirable and collectible ingots. The ½ Kilo class includes 500g, 0.5kg, 16.075oz and ½ KILO weight class designations. The Kilo class includes 32.150oz, 1kg and 1 KILO weight class designations.
The Engelhard London hallmark ingots shown in ½ KILO and KILO weight class are highly coveted Legacy ingots and of the earliest Engelhard variety. They are all in high demand and at the top of the collectibility and rarity list.
Additional information on these varieties can be found in our SUGGESTED READINGS section under the AG COMMUNITY heading. We hope you enjoy your visit!
| EXAMPLE | WEIGHT CLASS | HALLMARK | OBVERSE | REVERSE | COMMENTARY | SAMPLE SERIAL NUMBERS |
ICR | ESTIMATED |
 |
500g |
Unique Hallmark | [‘E’ Hallmark in Elongated Octagon] [999] [Australian Hallmark in Elongated Octagon] [500•0G] | Cast Finish | 1st series ingot in 500g weight designation and Australian variation. | N/A |
<50MINTAGE |
 |
0.5kg |
Italic Font | [Italic Australian Hallmark] [999+ SILVER] [0•5kg] [Serial Number] | Cast Finish | 2nd series 0.5kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. These 0.5kg class ingots share the same approximate 1000 number serial range as their 50oz counterpart, without replication between weight class. | 000317 000414 000416 000541 000675 000680 000718 000720 000722 000830 000837 000849 |
 <1,000MINTAGE |
 |
0.5kg |
Italic Font | [Italic Australian Hallmark] [999+ SILVER] [SCCC Counterstamp] [0•5kg] [Serial Number] | Cast Finish | 2nd series 0.5kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. Ingot 000242 sold privately on April 12, 2017 for $3,000.00. Additional information regarding the ‘SCCC’ Southern Cross Coins and Commodities counterstamp may be found at this LINK. | 000242 000636 |
<50 MINTAGE |
 | 0.5kg | Mid Hallmark | [Italic Australian Hallmark] [999+ SILVER] [0•5kg] [Serial Number] | [SILEC Counterstamp] | 2nd series 0.5kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. This ingot demonstrates the SILEC counterstamp on the reverse of the bar. Additional information regarding the SILEC counterstamp may be found at this LINK. | 001004 | <50 MINTAGE |
 | 16.075oz | Mid Hallmark | [16.075] [999+] [Bull Hallmark in Elongated Octagon] [Serial Number] | Cast Finish | First generation and exceedingly rare 16.075oz Canadian ingot. | 103577 | <25 MINTAGE |
  |
16.075oz |
Mid Hallmark | [999+] [16.075] [Bull Hallmark in Elongated Octagon] [Serial Number] | Cast Finish | 16.075oz Canadian ingot. Similar to our example above, though demonstrates different placement of weight and purity stampings. Ingot 132307 sold for $1,956.72 via eBay auction on June 22, 2016. | 119398 132307 132397 |
<50 MINTAGE |
 |
16.075oz | Top Hallmark | [Bull Hallmark in Elongated Octagon] [SILVER 999+] [16.075 OZ. TR.] [Serial Number] | Extruded Finish | Based on example 60727, engraved October 4, 1971, we believe these bars were produced 1970-1971 period. Some examples were originally issued in a wooden presentation box. Interestingly, it is marked 16.075oz which equates to exactly 500g, or 1/2 KILO in TR OZ specification. Bars 03024 and 60722 sold privately on March 15, 2017 for $1,800.00 each. | 01992 02104 03024 3827 3830 04412 14574 31900 60722 |
<500 MINTAGE |
 |
16.075oz | Top Hallmark | [Bull Hallmark in Elongated Octagon] [SILVER 999+] [16.075 OZ. TR.] [Sporadic Serial Number Placement] | Extruded Finish | Error variation of our 16.075oz bar, above. One example, sold privately on January 9, 2017 for $4,000.00. | 29152 29153 29156 29157 29159 29160 |
[Included in <500 mintage estimate, above] |
  |
16.075oz | Top Hallmark | [Bull Hallmark in Elongated Octagon] [SILVER 999+] [16.075 OZ. TR.] [Serial Number] | Cast Finish | Identical to above extruded variety except this example is poured. | 93078 93138 95353 97892 112375 |
<50 MINTAGE |
 |
16.075oz | Top Hallmark | [Serial Number] [Bull Hallmark in Elongated Octagon] [SILVER 999+] [16.075 OZ. TR.] | Cast Finish | Identical to above poured variety except this example demonstrates a serial number placement variation. | 109338 |
<50 MINTAGE |
 |
½ KILO | Italic Boxed Hallmark | [Serial Number] [1/2 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | ½ KILO London portrait variety ingot. Ingot Y7359 sold for $1,653.68 via eBay auction on April 29, 2016. Ingot Y7542 sold for $2,362.90 via eBay auction on May 25, 2016. | H3398 Y6812 Y7222 Y7359 Y7431 |
<100 MINTAGE |
 |
½ KILO | Italic Boxed Hallmark | [Sideward ‘.999′] [Italic Boxed London Hallmark] [½ KILO] | Cast Finish | ½ KILO London landscape variety ingot. | N/A |
<50 MINTAGE |
 | 500g | Unique Hallmark | [Serial Number] [Unique Circular Hallmark ’50 ANS DE TECHNOLOGIE THOMSON’] [Argent] [Circular Stamp ‘COMPAGNIE METAUX PRECIEUX – PARIS’ with ‘FONDEURS AFFINEURS’ Inner Stamp] [500 g] [Circular Stamp ‘MARCEL HOOGEWYS ESSAYEUR’] [999,9] | Cast Finish | 500g example produced in 1988 by CMP Engelhard of Paris, France. Although this example does not demonstrate an Engelhard hallmark, we are including it as it is a genuine Engelhard production piece as verified by the original assay certificate, depicted below. | 1060394 | <100 MINTAGE |
 |
32.150oz | Mid Hallmark | [999+] [Serial Number] [Hallmark in Elongated Octagon] [32.150] | Cast Finish | 1st series 32.150oz ingot, similar in font design to its 1st series 20oz and 25oz domestically produced counterparts. | 84873 84915 |
<100 MINTAGE |
 |
1 KILO | Mid Hallmark | [999+ FINE SILVER] [1 KILO.] [Hallmark in Elongated Octagon] [Serial Number] | Cast Finish | 1st series 1 KILO ingot. | P071347 P071490 P071570 P071594 |
<250 MINTAGE |
 |
1 KILO | Mid Hallmark | [999+ FINE SILVER] [1 KILO.] [Hallmark in Elongated Octagon] [Serial Number] | Extruded Finish | 1st series 1 KILO extruded bar. | P118553 P118780 |
<50 MINTAGE |
 | 1 KILO | Mid Hallmark | [999+ FINE SILVER] [1 KILO.] [9th Series 100oz Hallmark] [Serial Number] | Extruded Finish | 2nd series 1 KILO extruded bar. This series differs from the 1st series in that it shares the hallmark and stampings of the 6th series 50oz and 9th series 100oz bars. | P618536 | <50 MINTAGE |
 |
1kg | Italic Font | [Italic Australian Hallmark] [999+ SILVER] [1kg] [Serial Number] | Cast Finish | 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. | 001072 002539 002605 002620 004517 007381 005780 006981 007682 009858 012611 015953 016225 |
 <10,000MINTAGE |
 | 1kg | Italic Font | [Italic Australian Hallmark] [999+ SILVER] [SCCC Counterstamp] [1kg] [Serial Number] | Cast Finish | 2nd series 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. Additional information regarding the SCCC Southern Cross Coins and Commodities counterstamp may be found at this LINK. | 002896 003049 | <100 MINTAGE |
  | 1kg | Italic Font | [Italic Australian Hallmark] [999+ SILVER] [1kg] [Serial Number] | [SCCC Counterstamp] | 2nd series 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. This ingot demonstrates the SCCA counterstamp on the reverse of the bar. Additional information regarding the SCCC Southern Cross Coins and Commodities counterstamp may be found at this LINK. | 006981 007021 010551 | <25 MINTAGE |
 | 1kg | Italic Font | [Italic Australian Hallmark] [999+ SILVER] [1kg] [Serial Number] | [SILEC Counterstamp] | 2nd series 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. This ingot demonstrates the SILEC counterstamp on the reverse of the bar. Ingot 014677 sold via private sale in February, 2017 for $1,300.00. Additional information regarding the SILEC counterstamp may be found at this LINK. | 006053 014140 014677 014960 | <100 MINTAGE |
 | 1kg | Italic Font | [SILEC Counterstamp] | [Italic Australian Hallmark] [999+ SILVER] [1kg] [Serial Number] | 2nd series 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. This ingot demonstrates the SILEC counterstamp on the obverse of the bar. Ingot 300060 sold privately on April 1, 2017 for $2,650.00. Additional information regarding the SILEC counterstamp may be found at this LINK. | 300046 300060 300125 300191 300192 300200 | <50 MINTAGE |
 | 1kg | Italic Font | [Italic Australian Hallmark] [AUSTRALIA] [999+ SILVER] [1kg] [Serial Number] | Cast Finish | 1kg ingot in Australian variation, produced at the Engelhard refinery in Thomastown, Australia. Unique in that ‘AUSTRALIA’ is stamped below the Engelhard hallmark. Thanks to danman49 for this discovery! | 011826 011828 011830 011831 011838 | <100 MINTAGE |
 |
32.150oz | Mid Hallmark | [999+] [Serial Number] [Bull Hallmark in Elongated Octagon] [32.150] | Cast Finish | 1st series 32.150oz ingot in Canadian variation. | 95228 96654 96758 |
<300 MINTAGE |
 | 32.150oz | Mid Hallmark | [999+] [Serial Number] [Bull Hallmark in Elongated Octagon] [32.150] | Cast Finish | 1st series 32.150oz ingot, similar to our example above though this ingot demonstrates a different purity font. | 111875 111877 111951 111996 | <100 MINTAGE |
 |
32.150oz | Mid Hallmark | [999+] Serial Number] [Hallmark in Elongated Octagon] [32.150] | Cast Finish | 2nd series 32.150oz ingot in Canadian variation. Although this ingot is similar to the two 32.150oz class ingots defined below, differences include serial number font and casting mould dimension. The casting mould used for this allowed for a large obverse surface area. This resulted in a thinner ingot than the two variety we define below. | 133915 134335 153371 171077 |
<200 MINTAGE |
 | 32.150oz | Mid Hallmark | [999+] Serial Number] [Hallmark in Elongated Octagon] [32.150] | Cast Finish | 2nd series 32.150oz ingot in Canadian variation. Noticeably thicker than our example above. This ingot also demonstrates a smaller obverse surface area as well as serial font variation. | 219235 | <50 MINTAGE |
 | 32.150oz | Mid Hallmark | [999+] Serial Number] [Hallmark in Elongated Octagon] [32.150] | Cast Finish | 2nd series 32.150oz ingot in Canadian variation. This ingot is demonstrates a casting mould that resulted in a slightly larger obverse surface area than our 219235 example directly above. Ingots 242084 and 242085 sold on January 9, 2017 for $2,300.00 each. | 241919 241920 242050 242084 242085 | <100 MINTAGE |
 |
32.150oz | Mid Hallmark | [999+] [32•150] [Bull Hallmark in Elongated Octagon] [Serial Number] | Cast Finish | 3rd series 32.150oz ingot in Canadian variation. | 251378 |
<100 MINTAGE |
   |
1 KILO | Italic Boxed Hallmark | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation. Ingot X1430 sold privately on April 12, 2017 for $4,250.00. Ingots U4966 and U4979 sold on January 9, 2017 for $2,800.00 each. | C6744 C8490 D7547 D9716 D9853 P16266 P16619 R5253 S3435 S5411 S6001 T235 U7366 U9032 V2651 X1430 Y6614 Y6716 |
<9,500 MINTAGE [Includes C, D, P, R, S, T and U, V, X and Y prefix ingots] |
 | 1 KILO | Italic Boxed Hallmark | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation and smaller letter font prefix exclusive to ‘F’ prefix ingots. | F3680 F3728 F3894 | <10 MINTAGE |
 | 1 KILO | Hallmark Absent | [Serial Number] [1 KILO] [999] | Cast Finish | 1 KILO London ingot in Portrait variation. Very rare hallmark absent variety. | S4717 | <25 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Hallmark Absent | [1 KILO] [Serial Number] [1 KILO] [999] | Cast Finish | 1 KILO London ingot in Portrait variation. Very rare hallmark absent variety and varies from our example above in that the placement of the serial number and weight class stampings are reverse. | S2026 | 1 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Hallmark Absent | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation with large ‘K’ letter serial prefix. | K9120 | <25 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Hallmark Absent | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation with large ‘N’ letter serial prefix. | N8378 | <25 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999•] | Cast Finish | 1 KILO London ingot in Portrait variation with large ‘S’ letter serial prefix. This ingot demonstrates a dot ‘•’ purity suffix stamping. | S1056 S1075 | <25 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation with large ‘S’ letter serial prefix. Similar to our example above, though does not demonstrates a dot ‘•’ purity suffix stamping. Also appears to have a larger obverse surface area. | S8199 | <10 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation with large ‘U’ letter serial prefix. | U4994 | <25 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [MOCATTA & GOLDSMID LTD LONDON BULLION BROKERS] [Serial Number] [1 KILO] [999] [Italic Boxed London Hallmark] | Cast Finish | 1 KILO London ingot in Portrait variation with ‘P’ prefix and M & G counterstamp. Additional information regarding the Mocatta & Goldsmid counterstamp may be found at this LINK. | P3032 P3332 P4890 P5204 P6377 P6381 P7426 P7444 P7497 P8155 P8157 P8193 P8266 P8349 P8382 P8477 P9109 P9146 P9118 P10028 P14186 P14189 P14190 P15394 | <7,000 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [MOCATTA & GOLDSMID LTD LONDON BULLION BROKERS] [Serial Number Prefix] [1 KILO] [999] [Italic Boxed London Hallmark] | Cast Finish | 1 KILO London ingot in Portrait variation with ‘P’ prefix and M & G counterstamp. This ingot has the familiar letter prefix but lacks a serial number. Additional information regarding the Mocatta & Goldsmid counterstamp may be found at this LINK. | N/A | 1 MINTAGE [Included in <9,500 estimate, above] |
 |
1 KILO | Italic Boxed Hallmark | [SP] [SHARPS PIXLEY LTD LONDON BULLION BROKERS] [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation. Includes both Sharps-Pixley counterstamps. Ingot T2361 sold privately on April 1, 2017 for $2,500.00. Additional information regarding the Sharps Pixley counterstamps may be found at this LINK. | T14 T68 T235 T364 T2361 T2429 |
<400 MINTAGE [Included in <9,500 estimate, above] |
  | 1 KILO | Italic Boxed Hallmark | [SHARPS PIXLEY LTD LONDON BULLION BROKERS] [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation. Includes only the circular Sharps-Pixley counterstamp. Additional information regarding the Sharps Pixley counterstamps may be found at this LINK. | C5089 S4047 S4166 T67 | <100 MINTAGE [Included in <9,500 estimate, above] |
 |
1 KILO | Italic Boxed Hallmark | [SP] [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO London ingot in Portrait variation with ‘C’ prefix. Includes only the rectangular ‘SP’ Sharps-Pixley counterstamp. Additional information regarding the Sharps Pixley counterstamp may be found at this LINK. | C4678 C5086 C5089 |
<100 MINTAGE [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [ANDREW] [Serial Number] [1 KILO] [Italic Boxed Engelhard-CLAL London Hallmark] [999] | Cast Finish | 1 KILO Engelhard -CLAL London ingot in Portrait variation with large letter ‘B’ prefix. | B1438 | 1 [Included in <9,500 estimate, above] |
 | 1 KILO | Italic Boxed Hallmark | [Custom IBB LONDON Hallmark] [Serial Number] [1 KILO] [Italic Boxed London Hallmark] [999] | Cast Finish | 1 KILO Engelhard London ingot in Portrait variation with IBB LONDON counterstamp. | A1189 T2437 U4611 | <200 MINTAGE [Included in <9,500 estimate, above] |
 |
1 KILO | Elongated Octagon | [ENGELHARD Sheffield Smelting] [1 kilo] [999. + FINE SILVER] [Hallmark in Elongated Octagon] [Serial Number] | Bordered Pebble Finish | 1 KILO extruded bar in portrait variation with Sheffield Smelting counterstamp. Example presented was sourced directly from Great Britain in December, 2014, from a private collection. Additional information regarding the Sheffield Smelting counterstamp may be found at this LINK. | A0212 A0258 A0261 A0279 |
<100 MINTAGE |
    |
1 KILO | Italic Boxed Hallmark | [Sideward 999] [Italic Boxed London Hallmark] [Serial Number] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation, originally issued in a felt lined presentation box with brass clasp. Ingot N9116 sold privately on March 24, 2017 for $2,750.00. | J40 J5122 K9120 M3262 N9048 N10252 P18413 P19631 P19823 S1613 S1719 S2155 |
<2,500 MINTAGE |
 | 1 KILO | Italic Boxed Hallmark | [Sideward 999] [Italic Boxed London Hallmark] [Serial Number] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation. Similar to our above example, but includes the M & G counterstamp. | P1001 | <10 MINTAGE |
  | 1 KILO | Italic Boxed Hallmark | [Sideward 999•] [Italic Boxed London Hallmark] [Serial Number] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation, similar to our example directly above, though this ingot demonstrates a dot ‘•’ purity suffix stamping. | J42 J377 J390 | <25 MINTAGE |
 | 1 KILO | Italic Boxed Hallmark | [Sideward •999] [Italic Boxed London Hallmark] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation, similar to our examples above, though this ingot lacks a serial number and demonstrates a dot ‘•’ purity prefix stamping. | N/A | <10 MINTAGE |
 | 1 KILO | Italic Boxed Hallmark | [Sideward 999] [Italic Boxed London Hallmark] [Serial Number] [Circular Westminster Mint Hallmark] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation produced by Engelhard for The Westminster Mint. | K7541 | 1 MINTAGE [Included in <2,500 estimate, above] |
  | 1 KILO | Custom Westminster Mint Hallmark | [Sideward 999] [Circular Westminster Mint Hallmark] [Serial Number] [1 KILO] | Cast Finish | 1 KILO London ingot in landscape variation produced by Engelhard for The Westminster Mint. | J1012 J1041 J1784 | <25 MINTAGE [Included in <2,500 estimate, above] |
 | 1 KILO | Unique Hallmark | [Serial Number] [Unique Circular Hallmark ’50 ANS DE TECHNOLOGIE THOMSON’] [Argent] [Circular Stamp ‘COMPAGNIE METAUX PRECIEUX – PARIS’ with ‘FONDEURS AFFINEURS’ Inner Stamp] [1 Kilo] [Circular Stamp ‘MARCEL HOOGEWYS ESSAYEUR’] [999,9] | Cast Finish | 1 KILO example produced in 1987 by CMP Engelhard of Paris, France. Although this example does not demonstrate an Engelhard hallmark, we are including it as it is a genuine Engelhard production piece as verified by the original assay certificate, depicted below.  | 1062389 1062402 | <200 MINTAGE |
 | 1 KILO | Italic Boxed Hallmark | [Serial Number] [Italic Boxed Hallmark] [1 KILO] [Circular Stamp ‘COMPAGNIE METAUX PRECIEUX – PARIS’ with ‘FONDEURS AFFINEURS’ Inner Stamp] [Circular Stamp ‘MARCEL HOOGEWYS ESSAYEUR’] [999,9] | Cast Finish | 1 KILO example produced by CMP Engelhard of Paris, France. | 1123161 | <100 MINTAGE |