Maritime Clocks
Available varieties of this First Day Cover - subject to stock
Greenwich Observatory
| Stock Code: | 1723 |
| Issue Date: | 16 Feb 1993 |
| Issue: | 16 February 1993 - Maritime Clocks |
| Stamp Type: | Commemoratives |
| Stamp Details: | 24p, 28p, 33p, 39p four layers of Harrison's H4 clock |
| Producer/Series: | CoverCraft |
| Postmark: | Greenwich, John Harrison, Special Handstamp |
| Availability: | In Stock |
| Reference Images: |
