Molecule Topical Stamps and Covers - Russian Philately - Russian Stamps https://russianphilately.com/t/molecule Stamps of Empire, Zemstvos, USSR, Ukraine, Baltic States. Mon, 05 Jan 2026 16:39:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 1968 Sc 3582. 50th Anniversary of N.S.Kurnakov Institute of Chemistry. Scott 3507 https://russianphilately.com/shop/1968-sc-3582-50th-anniversary-n-s-kurnakov-institute-chemistry-scott-3507 Mon, 21 Nov 2016 10:38:13 +0000 https://russianphilately.com/?post_type=product&p=5164 1968. 50th Anniversary of N.S.Kurnakov Institute of Chemistry.
Catalogs: Scott 3507, Standard Collection 3582, Michel 3532, Yt 3401.
Issued on: 1968-09-03.
Perforation: comb 11½

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