Image Colnect-4594-531-Heinrich-Rudolf-Hertz.jpg
(1024 x 772 pixels) |
Type: stamp Issuer: San Marino Date: 1992 Denom: ?
Visibility: public Image owner: none postage 3/26/1992 750l multi issue=Centenary of the radio d=air gaps & Heinrich Hertz unwmk Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/4594/531/Heinrich-Rudolf-Hertz.jpg Uploaded March 19, 2019, 11:11 pm by Stan Shebs |
