Bag or oblong punch. Used for leather and harness straps. Solid metal punch with square sided handle and hollow, square shaped pocket with oblong shape punch on opposite end. Inscription on flat square end. See Osborne catalog #55, pg 22.
Bag or oblong punch. Metal. L: 4.625 Inches, W: 1.25 Inches, H: 0.5 Inches. On flat square end: AM/C.S. OSBORNE "and" CO/7/8