Original Speedball Box Insert, ca. 1950s with nib - in black on white, paper. Measures 2.5 x 6.25 inches. Printed on both sides. Front shows Speedball pens and lettering styles and a coupon to mail in with fifteen cents in stamps or coin for a Speedball Beginners Text Book. Reverse side shows four different alphabets penned with Speedball nibs and additional info on using Speedball Pens. Sewn to the parchment background paper in burgundy thread is a Speedball D3 oval pointed pen.