From Phillips de Pury's London PHOTOGRAPHS sale on May 17, 2012:
Lot 117, ELLIOTT ERWITT, New York City, 1974, gelatin silver print, printed later, 61.2 × 91.3 cm (24 1/8 × 35 7/8 in). Signed in ink in the margin; signed, titled and dated in pencil on the verso.
PROVENANCE: Acquired directly from the artist. Private Collection, New York.
LITERATURE: Jean Lacouture et al., In our Time: The World as Seen by Magnum Photographers, New York & London: Norton, 1989, p. 216; Elliot Erwitt: Snaps, Phaidon, 2003, p. 205; Elliot Erwitt: Personal Best, Kempen: teNeues, 2009, pp. 406-07.