Image Colnect-2563-893-Scientists-Melvin-Calvin.jpg
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Type: stamp Issuer: United States Date: 2011 Denom: ?
Visibility: public Image owner: none postage 6/16/2011 forever multi dt=American scientists d=Melvin Calvin (2011) unwmk perf=11 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/2563/893/Scientists-Melvin-Calvin.jpg Uploaded May 18, 2016, 8:52 pm by Stan Shebs |
