USSR stamps 1936

USSR, 1936: the 4 stamps issued that year, with photos, face values, catalogue values and details.

• Portrait of Critic N.A. Dobrolyubov (1836-1861) — 10 Soviet kopek
• Portrait of Critic N.A. Dobrolyubov (1836-1861) — 10 Soviet kopek
• Pioneers Attaching Post-box — 1 Russian kopek
• Pioneers Disentangling a Kite from Telegraph Wires — 10 Soviet kopek