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Source:
Colnect
Issued by:
United States
Function:
postage
Date:
1/19
/
1983
Issue:
science & industry
Denom:
20c
Color:
multicolored
Design:
3-Dimensional Graph
Watermark:
unwmk
Perf:
11
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
10/28/1982 20c issue=Christmas 1982 d=trimming tree
Next:
3/24/1983 20c issue=US-Sweden treaty 200th d=Benjamin Franklin (1983)
External links:
Colnect 94169-..tes_of_America