Imogen Cunningham :: Edward Weston and Margrethe Mather, 1923. Gelatin silver print. | src MoMAImogen Cunningham :: Edward Weston and Margrethe Mather, 1923. Gelatin silver print, printed later. Signed and dated in pencil on the mount; typed title and date on an Imogen Cunningham Trust label. | src Phillips Auctions