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Source:
Colnect
Issued by:
Colombia
Function:
airmail
Date:
1921
Issue:
1921 air a
Denom:
20c
Color:
Design:
MI 13 overprinted R
Watermark:
unwmk
Perf:
Catalog value:
Prev:
20c
Next:
30c grn d=MI 14 overprinted R
External links:
Colnect 743123..stration_Stamp
