Signed verso in pencil, lower right over printed "Irving Penn", both circled in pencil
Verso, starting at top of sheet, stamp: "Photograph by Penn", "Ref. 7026", rectangular stamp: "model, date of sitting April 30 1948 issue used Copyright not to be reproduced without written permission from the Conde Nast Publications, Inc.", in pencil: "Marcel Duchamp New York, Apr. 30 1948", "M Duchamp 16062 P-20", "print made near to date of photograph", stamp: "Photograph by Irving Penn / Copyright c 1960 by Irving Penn, courtesy of Vogue not to be reproduced without written permission of the photographer", "signed, upper right corner a squiggle"