“U. S. B. I. R.”. 3 7/8″ high x 2 1/2″ wide. Brass body. Brass shackle. A paper seal padlock. There is a glass window to view the paper seal. “U. S. B. I. R.” is stamped on the obverse of the body. “SLAYMAKER LANC, PA. 10026” is stamped on the obverse of the shackle.