Universal Postal Union Stamps
These Post Office stamps were affixed to specially designed envelopes and postmarked on the first day that the stamps were issued.
12.06.1974 | UPU, Postmarked at WindsorBUY NOW £20
3 1/2p P&O Packet Steamer
5 1/2p First Official Airmail
8p Air mail Blue Van and Postbox
10p Imperial Airways Flyingboat
Producer/Series: Royal Mail/Post Office
Notes: With Windsor cachet
Stock remaining: One Left!
Presentation Pack (64)
Why not take a look at other items on a similar theme?