Het Duo / The Duo
Lewenstein family; offered for sale, as result of Nazi persecution, at auction house Frederik Muller & Co, Amsterdam, 8-9 October 1940, lot no. 210; Larensche Kunsthandel, Amsterdam. [Christies catalog 2011]; anonymous sale, Mak van Waay, Amsterdam, June 1970, lot 412. [Christie's catalog 2011]; Private collection Jonas Knoop, Amsterdam RKD; his sale [Christie’s Catalog 1987], Christie's, Amsterdam, 10 November 1987, lot 291. [Christie's catalog 2011]; anonymous sale, Christie's, Amsterdam, 15 November 2011, lot no. 100, sold for EUR 7,300. [Artprice]
Frederik Muller & Co., Catalogus van moderne schilderijen, aquarellen, teekeningen, etc. afkomstig van de collectie van wijlen J. Goudstikker, Amsterdam: diverse verzamelingen en nalatenschappen. Amsterdam: Mensing, 1940. [auction catalog 8 en 9 October 1940]; RKD research: Externer Link