Designing the Mentoring Stamp The text is surrounded by Canson made endsheets, sewn silk endbands, and bound in full black leather. Lance Hidy’s Penumbra font was cut from accent leathers to create the large scalloped onlay on the front as well as and the text onlay on the back cover. The stamp-like, scalloped edge and circle are tooled with palladium. Click on image to enlarge