“U. S. B. I. R.” – Slaymaker. 3 7/8″ high x 2 1/2″ wide. Brass body. Brass shackle. A paper seal padlock. “U. S. B. I. R.” is stamped on the obverse of the body. “SLAYMAKER LANC, PA. 15882” is stamped on the obverse of the shackle.