Maritime Clocks Stamps

These Royal Mail stamps were affixed to specially designed envelopes and postmarked on the first day that the stamps were issued.

16.02.1993 | Greenwich Observatory, Postmarked at Greenwich

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16th February 1993 - Maritime Clocks
Stamp Type:
Stamp Details:
39p four layers of Harrison's H4 clock
Greenwich, John Harrison, Special Handstamp
Reference Images:
Commemorative Stamp
Presentation Pack (235)
PHQCards (150)
Postmark illustrations
Available varieties of this First Day Cover.
John Harrison, Special Handstamp
Official Cover
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John Harrison, Special Handstamp
- Single stamp cover
Last One!
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