| Reference number | NLB/57/827 |
| Alternative reference number | NLB/57p473 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Chief Clerk, Royal Mint |
| Date | 17 February 1920 |
| Description | Requests the account for the two reverse dies and metal for Davy and Copley medals, payable directly to the Mint, separately from the engraving and cases. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |