| Level | Item |
| Reference Number (click to see whole series/group) | C52/4 |
| Extent | 1 file |
| Title | BULLION OFFICE FILE: GOLD - FINE OUNCE CONVERSION |
| Date | 29 Apr 1931 - 8 Apr 1939 |
| Description | Changeover from recording in in standard ounces. |
| Original Reference | B29B |