Colnect-3826-606-Symbols-of-UPU.jpg
Source: Colnect
Issued by: Paraguay
Function: airmail
Date: 9/4/1950
Issue: UPU 75th
Denom: 50c
Color: gray & green
Design:
Watermark: unwmk
Perf: 13.5x13
Catalog value:


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External links:
Colnect 443456..th_Anniversary