Image Colnect-1893-666-Portrait-of-German-microbiologist-Robert-Koch-1843-1910.jpg

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Type: stamp Issuer: Russia Date: 1961 Denom: ? Visibility: public Image owner: none postage 3/26/1961 6k dkbrn d=Robert Koch (1961) 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/1893/666/Portrait-of-German-microbiologist-Robert-Koch-1843-1910.jpg Uploaded July 23, 2015, 3:55 pm by Stan Shebs