science & industry issue of United States
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Short desc: science & industry
Issuer: United States Date: 1/19/1983 Occasion: unset Consists of 1 stamp: (See stamps as list) 20c d=3-Dimensional Graph All are perf=11 Record of changes |
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Short desc: science & industry
Issuer: United States Date: 1/19/1983 Occasion: unset Consists of 1 stamp: (See stamps as list) 20c d=3-Dimensional Graph All are perf=11 Record of changes |
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