Image Colnect-1923-190-Alexander-O-Kovalevsky-1840-1901-Russian-biologist.jpg

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Type: stamp Issuer: Russia Date: 1951 Denom: ? Visibility: public Image owner: none postage 8/15/1951 40k dkbl dt=scientists (1951) d=Kovalevski unwmk perf=12 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/1923/190/Alexander-O-Kovalevsky-1840-1901-Russian-biologist.jpg Uploaded May 19, 2014, 6:50 pm by Stan Shebs