Colnect-466-837-7th-national-philatelic-exhibition-in-Warsaw.jpg
Source: Colnect


Sheet:

Colnect-4879-383-7th-national-philatelic-exhibition-in-Warsaw.jpg
Issued by: Poland
Function: airmail semipostal
Date: 3/28/1957
Issue: Polish Philatelic Exhibition 1957
Denom: 4z+2z
Color: blue
Design: abstract wing & letter
Watermark: unwmk
Perf:
Catalog value:


Catalog numbers:
?!cat2!? CB1


External links:
Colnect 140392..tion_in_Warsaw


Record of changes