I recently acquired, from my favourite market stall again, a set of stamps first issued on 10 May 1929.
|King George V - Postal Union Congress, London 1929|
The Congress is the main meeting of the Universal Postage Union which is normally held at every four years. 1929 was the only time it has been held in the UK.
Issues covered at that meeting were the approval of postal paid franking and the establishment of the first airmail regulations.
A £1 stamp was issued at the same time,
|(Scanned image from Wikipedia)|
As this is valued at £550 by Stanley Gibbons in the used condition I don't expect to see one on my market stall.
This has been a Sunday-stamps. post hosted by Viridian. Visit the links to see what others have selected this week.