MOSCOW, RUSSIA - OCTOBER 4, 2019: Postage stamp printed in Austria devoted to 75th Death Anniversary of Ludwig Boltzmann, Nature scientists serie, cir

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MOSCOW, RUSSIA - OCTOBER 4, 2019: Postage stamp printed in Austria devoted to 75th Death Anniversary of Ludwig Boltzmann, Nature scientists serie, circa 1981

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Size: 3266px × 4206px
Photo credit: © Alexander Mitrofanov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 3, 75, 1981, anniversary, austria, boltzmann, circa, collection, correspondence, death, famous, heritage, historic, hobby, holland, image, isolated, issue, letter, ludwig, mail, nature, people, philatelic, philately, physicist, portrait, post, postage, postal, postmark, retro, scientist, stamp, vintage