Great Britain - 18p stamp of 1987 (#200518)

Source: Colnect

Issued by:	Great Britain
Function:	postage
Date:	3/24/1987
Issue:	Principia Mathematica publication 300th
Denom:	18p

Color:	multicolored
Design:	apple & geometry diagram & Principia Mathematica title
Watermark:	unwmk
Perf:	14.25x13.75


Catalog value:

In collections: mint (Stan Shebs), some private