Hedy Pfundmayr, ca. 1920

Rudolf Koppitz :: Hedy Pfundmayr, ca. 1920. Photographer’s studio stamp: “Prof. Rudolf Koppitz, Photo-Werkstätte, Wien” stamp on the reverse. | src 23rd OstLicht Photo Auction
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Gruppenakt, before 1924

Rudolf Koppitz :: Gruppenakt | Group-nude, before 1924. Bromoil print. Photoinstitut Bonartes. | src and hi-res Getty Images (originally posted on tumblr)