Acrobatic studies, 1927 Acrobatic study in the style of Alexander Grinberg, 1927 (detail) Acrobatic study in the style of Alexander Grinberg, 1927 | src Литфонд Auction house Acrobatic study in the style of Alexander Grinberg, 1927 | src Литфонд (Literary Fund) Auction house Acrobatic couple, 1927 | src Литфонд Auction house
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