[Mandel, Mike. (b. 1950)] Cunningham, Imogen. (1883–1976) & Adams, Ansel. (1902–1984) & Welpott, Jack. (1923–2007) &Newhall, Beaumont. (1908–1993) & Mann, Margery. & Dater, Judy. (b. 1941) Group of Six SIGNED Photographer Baseball CardsGroup of six 1975 trading cards from the American conceptual artist and photographer Mike Mandel, each depicting a well known photographer posing in baseball garb and printed with amusing stats on the verso, and each signed by the subject: Ansel Adams, Margery Mann, Judy Dater, Imogen Cunningham, Beaumont Newhall, and Jack Welpott. Offset lithograph. A few small creases to the margins, a few small stains along the edges of Margery Mann, Imogen