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Source:
Colnect
Issued by:
Colombia
Function:
airmail
Date:
3/7
/
1961
Issue:
8th Pan-American Highway Congress
Denom:
20c
Color:
red & blue
Design:
Watermark:
unwmk
Perf:
11
Catalog value:
Prev:
10c vio&grn
Next:
30c blk&grn
External links:
Colnect 300614..ongress_8th_Ed
