Sweden 637-638, 639 pair

$ 1.75

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Sweden 637-638, 639 pair, lightly hinged, $2.65. Michel 513-514, 514 D/D. Nobel Prize Winners of the 1903. 1963. Svante Arrhenius, Niels Finsen, Bjornstjerne Bjornson; Antoine Henri Becquerel, Pierre and Marie Curie.