Image Colnect-447-284-Heinrich-Hertz-1857-1894.jpg
(358 x 220 pixels) |
Type: stamp Issuer: Czechoslovakia Date: 1959 Denom: ?
Visibility: public Image owner: none postage 12/7/1959 1k multi dt=radio & telegraph inventors d=Hertz unwmk perf=11.75x11.25 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/447/284/Heinrich-Hertz-1857-1894.jpg Uploaded August 24, 2014, 2:20 pm by Stan Shebs |
