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Source:
Colnect
Issued by:
Panama
Function:
airmail
Date:
3/1
/
1937
Issue:
1937 air UPU
Denom:
50c
Color:
carmine rose
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
30c dkpur
Next:
1b grayblk
External links:
Colnect 654429..Congress_Issue
