Sold For $356
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FDC with a cachet honoring the 100th anniversary of the Smithsonian Institute, signed on the front in ink and felt tip by Jonas Salk, Linus Pauling, Michael DeBakey, Denton A. Cooley, Francis Crick, Jack Kilby, and Tom Starzl. Uniform toning, otherwise fine condition. RRAuction COA.
