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Source:
Colnect
Issued by:
Panama
Function:
postage
Date:
8/1
/
1957
Issue:
7th Pan-American Highway Congress
Denom:
20c
Color:
light blue
Design:
Airmail
Watermark:
star & RP multiple
Perf:
Catalog value:
Prev:
10c grnblk
Next:
1b grn
External links:
Colnect 650498..ghway_Congress
Record of changes
