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Royal Mail
Royal Observatory Greenwich Stamp Sheet Souvenir
Catalogue code
AW295
A non-personalised edition of the First Day Cover Miniature Sheet featuring images of John Harrison's marine timekeepers.
Available until 12 June 2026.
A non-personalised First Day Cover Envelope with the Miniature Sheet containing four stamps charting John Harrison's quest to find a way to measure longitude at sea.
The stamps are cancelled with the alternative London SE10 postmark on a First Day Envelope containing the information card.
On sale until 12 June 2026.
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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