Soviet Union. 1917-18, black-and-white postcard representing collage of Socialist and Communist Newspapers with face of Karl Marx appearing from broken ''Vorwarts'' German Social Democrat paper, looking as a caricature, text at the bottom ''Proletarians of all World Unite!'', unused, mostly VF and scarce, Est. $150-$200 (Image)

Soviet Union. 1945-48, stationery postcard and cover addressed to Solomon Mikhoels, Soviet Jewish actor and the artistic director of the State Jewish Theater, who was killed in Minsk by order of Stalin, the card is written in Yiddish, the cover was received on January 10, 1948, just two days before Mikhoels' tragic death, some cover faults, still, F/VF, Est. $150-$200 (Image)