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Type: stamp Issuer: Austria Date: 2012 Denom: ? Visibility: public Image owner: none postage 5/5/2012 145(c) multi issue=cosmic radiation discovery 100th unwmk Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/2409/798/Discovery-of-Cosmic-Radiation---Victor-F-Hess-1883---1964.jpg Uploaded May 9, 2016, 2:03 pm by Stan Shebs