Manhattan Firearms Co. - Newark, New Jersey
36 caliber , six shot percussion cap revolver
Manufactured June 1867-December 1868
Marked "Patented March 8, 1864" on barrel, "Patented Dec. 27 1859" by nipples.
Serial number 587 on frame, barrel, butt, tamper rod and arbor.
Silver plating on trigger-guard, back strap and butt
Some case colors on frame
Approximate length of barrel : 4 inches, 9 inches overall length