[EROTICA -- PHOTOGRAPHY]. ANON. 2 pornographic studies, ca. 1920, gelatin silver prints, each 4 x 6 in., one depicting four women (including one dressed as a man) and another of a girl and her dog. Very slight toning. Provenance: A note on the back of the frames identifies this a part of Lot 212 from Sotheby's Photography sale of 5/24/82, identifying the owner as Mapplethorpe.