[Popular Music]. Signed Photographs. Grouping of three signed photographs and one signed picture postcard from various female performers of the mid-20th Century, including what seems to be a folk trio consisting of Louise Clark, Sue Rock, and Margie Francis, two unidentified performers with the mononyms Maxine and Vivian, and a postcard of soprano Anne Bollinger.  Three measuring 8 x 10 inches (20.3 x 25.4 cm.); one 3.5 x 5.5 inches (9 x 14 cm.).