Soviet Union 1955, Definitive Issue 8 (1949–57), 30-kopeck stamp in lilac brown depicting a Soviet physicist with microscope, symbolizing the USSR's focus on scientific progress and professional achievement during the mid-20th century. Designed by Vasily Zavyalov and printed using offset lithography on ordinary paper without watermark, the stamp measures 18.5 x 26 mm and features comb perforation 12 x 12¼. It was part of the standard daily-use issues celebrating various occupations. Catalogued as Michel SU 1334III, Yvert et Tellier SU 1911A, Stanley Gibbons SU 1361l, Soloviev SU 1382-I, Unificato SU 1911A, and Zagorskiy SU 1296II. Offered here as a full sheet of 100 stamps, each cancelled with clear postal markings, this piece holds thematic significance in the representation of Soviet scientific endeavor and historical value as a circulated postal document from the late Stalinist and early Khrushchev era. Estimate "$30 – 40"