Image Colnect-3689-394-Double-Helix-of-DNA.jpg
(1023 x 511 pixels) |
Type: stamp Issuer: Bulgaria Date: 1971 Denom: ?
Visibility: public Image owner: none postage 9/20/1971 13s multi issue=Congress of Biochemistry, Varna d=Double Helix of DNA unwmk perf=12.5 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/3689/394/Double-Helix-of-DNA.jpg Uploaded April 12, 2017, 9:19 pm by Stan Shebs |
