MARIAN F. WILLIAMS (American, 1868 - 1929). Four Couples at Devil's Den, circa 1880, A souvenir photo ("no. 6921," as noted by the photographer) showing three couples at Devil's Den, an outcropping of massive granite boulders located on the Gettysburg Battlefield in Adams County, Pennsylvania. Photograph mounted on board which has an embossed stamp "M.F. Williams, Gettysburg, PA." Framed. Not examined out of frame. - 11 1/2 x 9 1/2 in; frame: 16 1/2 x 14 1/2 in Estimate $150-250