Металлист, помни, что самую существенную помощь фронту можешь дать только ты, Vasiliy Kostyanitsyin, 1920

Metalworker, remember that only you can give the most significant assistance to the front: [poster]. — [moscow]: state publishing house; bureau of industrial propaganda under the central committee of the metalworkers' armed forces, 1920 (moscow: 20th state printing house, formerly kushnereva). — color lithograph, 1 sheet, 71 × 54 cm. Date: 1920.