Colnect-4502-373-International-Day-of-Standardization.jpg
Source: Colnect
Issued by: Libya
Function: postage
Date: 12/1/1977
Issue: World Standards Day
Denom: 15dh
Color: multicolored
Design:
Watermark: unwmk
Perf:
Catalog value:


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External links:
Colnect 746793..tandardization