The factory letter confirms the caliber and plain trigger and states that it was shipped from the Winchester warehouse on April 3, 1883. A Third Model receiver with integral dust cover rail and dust cover with serrated edges. Standard sporting style front sight with nickel silver blade and sporting style buckhorn rear sight and the upper receiver tang is factory drilled and tapped for a rear sight. The hammer, lever and crescent buttplate are casehardened. The top of the barrel is stamped "WINCHESTER'S-REPEATING ARMS. NEW HAVEN. CT./KING'S-IMPROVEMENT-PATENTED-MARCH 29.1866. OCTOBER 16. 1860." ahead of the rear sight with "32-CAL" ahead of the receiver. "32 CAL" is stamped in script on the bottom of the cartridge elevator. "-MODEL. 1873.-" is stamped on the upper tang in fancy letters with foliate devices at either end. The serial number is stamped in script numerals between the lever latch and the tang screw.