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 | Machin Stamp, Postmarked at London EC

BUY NOW   £40 Machins: 8 1/2p Yellowish-Green, Machin Stamp Machins: 8 1/2p Yellowish-Green, Machin Stamp
Click on image for larger view
16018
24th September 1975 - 8 1/2p Yellowish-Green
Notes: with additional 6 1/2p single-band phosphor issue
Stock remaining: One Left!
Reference Images:
Definitive Stamp
Why not take a look at other items on a similar theme?
Royalty
Machins