Lot Essay
The potential identification of the sitter as Miss Rigby is based on a slightly larger version with identical signature and date, first sold by Karl Ernst Henrici at Haehnel, Berlin, 17 April 1920, lot 148, and later in the collection of Max von Bleichert, Leipzig, part II sold Rudolph Lepke's Kunst-Auctions-Haus, Berlin, 9 December 1931, lot 500 (670 Reichsmark).