Commemorative cover, 7 x 4.75, honoring the Nobel Prize for “Fysiologi Eller Medicin,” signed in black ballpoint by Watson, adding a small sketch of a double helix, and in black felt tip by Crick. In fine condition. The commemorative cover also features four Swedish stamps, all featuring Nobel Prize winners in physiology and medicine, including Watson and Crick. Pre-certified PSA/DNA.
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