| Reference number | NLB/7/142 |
| Alternative reference number | NLB/7 p67 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to the Cambridge Engraving Company |
| Date | 9 December 1892 |
| Description | Dr Risien Russell informs the correspondent that he has sent the negative for the figure which is to take the place of one forming a portion of his plate. As soon as the substitution is made the correspondent asks for proof of the whole plate. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |