| Wilhelm Konrad Röntgen Belgian stamp honoring German physicist and Nobel Prize winner Wilhelm Conrad Röntgen (1845-1923) discoverer of X-rays.
The stamp shows portrait of W. C. Röntgen and the first X-ray photograph of his wife's hand. 1995, 9 September (date of issue) Postage stamp Private collection of Krzysztof Slowinski LL/37651 Catalog number: Michel 2665 (of 2664 - 2666), Scott B1123 (of B1122 - B1124)
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