EXAMPLE | OBVERSE | REVERSE | COMMENTARY | SAMPLE SERIAL NUMBERS | ESTIMATED MINTAGE |
 | [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark]
| [D & H CO. INC.] | Approximate 1oz class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s.
| Serial Absent | <10 |
 | [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | [D & H CO. INC.] | Approximate 3oz class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | [D & H CO. INC.] | Approximate 5oz class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <250 |
 | [D & H CO. INC.] [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | Approximate 5oz class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s.
| Serial Absent | <250 |
  | [DUGAN & HELTERBRAND CO. INC.] [Dugan & Helterbrand Custom Scale Hallmark] [.999] [WEIGHT CLASS] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | Approximate 70z to 8oz odd weight class landscape style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [Dugan & Helterbrand Custom Scale Hallmark] [.999] [Weight Class] | Cast Finish | Approximate 10oz weight class landscape style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | Approximate 10oz weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <500 |
 | [D & H CO. INC.] [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | Approximate 12oz odd weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <500 |
 | [D & H CO. INC.] [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | Approximate 20oz weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [DUGAN & HELTERBRAND CO. INC.] [Dugan & Helterbrand Custom Scale Hallmark] [.999] [Dugan & Helterbrand Custom Scale Hallmark] [Weight Class] | Cast Finish | Approximate 20oz weight class landscape style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [DUGAN & HELTERBRAND CO. INC.] [.999] [DUGAN & HELTERBRAND CO. INC.] | Cast Finish | 25oz weight class landscape style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [.999] [Weight Class] | Cast Finish | 50oz weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [.999] [Weight Class] [Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | 1000z weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [.999] [Weight Class] ]Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | 1000z weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |
 | [D & H CO. INC.] [.999] [Weight Class] ]Dugan & Helterbrand Custom Scale Hallmark] | Cast Finish | 1000z weight class portrait style ingot produced by Dugan & Helterbrand in the mid to late 1970’s. | Serial Absent | <25 |