Pair of Folk Art Portraits on an envelope mailed with Pennsylvania House of Representatives Franking Privilege ? Civil War era

A pair of pencil portaits dated 1861,likely by a young woman, which were drawn on an envelope which appears to have been mailed using Congressional franking privileges. Franking gives Members of Congress free postage. The "scrap paper" drawings have an embossed Commonwealth of Pennsylvania House of Representatives stamp and was mailed in April 1861. Pair of Folk Art portraits 1861 Collection Jim Linderman / Dull Tool Dim Bulb