WERNER ARBER - FIRST DAY COVER SIGNED - HFSID 267661
Sale Price $63.00
First Day Cover honoring the Mayo brothers, signed by the Swiss Nobel Prize winner (Physiology or Medicine, 1987)
First Day Cover signed: "Werner Arber", 6½x3½. FDC honoring the Famous Doctors Mayo Founders Mayo Clininc-Rochester, Minnesota, 5-cent stamp affixed, postmarked Rochester, Minnesota, September 11, 1964, FIRST DAY OF ISSUE. Swiss scientist Arber, of the University of Basel, shared the 1987 Nobel Prize for Physiology or Medicine with Americans Daniel Nathans and Hamilton Smith "for the discovery of restriction enzymes and their application to problems of molecular genetics." These discoveries will aid in preventing or treating malformations, hereditary diseases and cancer. Fine condition.
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