Soviet Union 1948, Definitive Issue 7 (1948–57), 1-ruble stamp in dark red-orange depicting the Spassky Tower of the Kremlin, designed by Vasily Zavyalov and printed using offset lithography on ordinary paper without watermark. Measuring 18.5 x 26 mm, the stamp is perforated comb 12 x 12¼ and was issued as part of a long-running definitive series focused on iconic Soviet architecture and state power. This example, showing the emblematic Kremlin tower and star, symbolizes central authority and patriotic imagery in postwar USSR. Catalogued as Michel SU 1245, Scott SU 1260, Yvert et Tellier SU 1233, Stanley Gibbons SU 1329, AFA SU 1312, Soloviev SU 1255, Unificato SU 1233, and Zagorskiy SU 1219I. Offered here as a complete sheet of 100 stamps, cancelled with full circular postmarks, this sheet serves as a striking and historically resonant representation of Soviet postal history in circulation. Estimate "$30 – 40"