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Source:
Colnect
Issued by:
Colombia
Function:
airmail
Date:
12/1
/
1959
Issue:
1959 unification
Denom:
20c
Color:
brown
Design:
Watermark:
unwmk
Perf:
13
Catalog value:
Prev:
15c
Next:
20c perf=12.5
External links:
Colnect 317000..ADO_Overprints
Record of changes
