Colnect-4502-374-International-Day-of-Standardization.jpg
Source: Colnect
Issued by: Libya
Function: postage
Date: 12/1/1977
Issue: World Standards Day
Denom: 30dh
Color: multicolored
Design:
Watermark: unwmk
Perf:
Catalog value:



External links:
Colnect 746794..tandardization


Record of changes