New York Cartoonists. 1947. Silver print, the image measuring 33¾x45½ cm, 13¼x17⅞ inches, the mount 47x50¾ cm, 18½x20 inches; with Penn's signature, partial title, and date in ink on mount recto, and his credit stamp and a copyright stamp on mount verso.
Provenance: Christie's, October 17, 2007, sale 2086, lot 119; to the Present Owner.
