Heller, Robert (William Henry Palmer). Polygraphic Hall Program. Seances, Magical, Musical, and Humorous. London, 1860s. Letterpress program on blind-embossed decorative paper, borders colored in red. In three parts, inside pages bearing details on the tricks and illusions to be presented. Verso blank, with scrapbook paper remnants; gutter soiled, staple-mark hole upper center not affecting legibility.