Panama Beaver carbon paper and typewriter ribbons advertising tape measure. Made by the Parisian Novelty Co in Chicago. The Panama-Beaver airplane logo is flying from right to left over the Panama banner. Tape flows freely and has no damage. The locking mechanism works. Patented 4-17-51, patent number 2549098. Measures 1 3/8 inches across, 1/2 inches wide. Nice bright graphics and very little wear.