1980 (04) London 50p - PO - London SW1 International Stamp Exhibition Slogan + Note from Bradbury!

Excellent Post Office Cover with the 'London SW1 International Stamp Exhibition Slogan' + also cancelled with a London SW London 1980 H/S.

Includes an interesting note from Adrian Bradbury, which confirms that only 50 covers exist like this!

Code: 51378