Machins: 8 1/2p Yellowish-Green Stamps

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

24.09.1975 | New Definitive Values, Postmarked at House of Commons

Scroll Down to Buy. Machins: 8 1/2p Yellowish-Green, New Definitive Values Machins: 8 1/2p Yellowish-Green, New Definitive Values
Above image is shown for illustration purposes only, Please check the postmark details of the variety you are purchasing.
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Reference Images:
Definitive Stamp
Available varieties of this First Day Cover.
$54
Last One!
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small circle, FDI Postmark
with additional 6 1/2p single-band phosphor issue
$27
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