“U.S. MAIL 1862”. 3″ high. All iron. Lever. Post key. “U.S. MAIL 1862” is stampe
“U.S. MAIL 1862”. 3″ high. All iron. Lever. Post key. “U.S. MAIL 1862” is stamped on the obverse of the shackle. “S. ANDREWS PERTH AMBOY N.J.” is stamped on the reverse of the shackle.