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Stamps of
United States
,
space achievement
issue
List
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1 to 8 of 8
postage
1981
, May 21
space achievement issue
unwmk
p.
11
(8 stamps)
X
18c
multi
exploring the moon
X
18c
multi
benefiting mankind c
X
18c
multi
benefiting mankind a
X
18c
multi
understanding the sun
X
18c
multi
probing the planets
X
18c
multi
benefiting mankind b
X
18c
multi
benefiting mankind d
X
18c
multi
comprehending the universe
1 to 8 of 8