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Royal Mail
Royal Observatory Greenwich First Day Cover Miniature Sheet with Tallents House Postmark
Catalogue code
MF203-STD
The John Harrison's Marine Timekeepers Miniature Sheet on a First Day Cover envelope personalised with the name and address of your choice.
Order by 12 June 2025.
A commemorative collectible honouring John Harrison's groundbreaking work.
The Miniature Sheet's stamps are cancelled with the Tallents House postmark on the first day of issue, 12 June 2025.
The four First Class stamps showcase Harrison's marine timekeeper prototypes for measuring longitude at sea, including H4 with its convention-defying watch design.
The Tallents House postmark features an illustration of the Great Equatorial Telescope.
Stamp specifications
|
Stamp format |
Portrait |
|
Stamp size |
27mm x 37mm |
|
Miniature Sheet size |
115mm x 89mm |
|
Design |
Steers McGillan Eves |
|
Printer |
Cartor Security Printers |
|
Print process |
Lithography |
|
Perforations |
14 x 14 |
|
Phosphor |
Bars as appropriate |
|
Gum |
PVA |
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