OC - FINE- all original parts; over 30% original finish, sharp lettering, numerals and design on metal and wood; minor marks in wood.

NPRF - NON-PROFESSIONALLY REFINISHED/COLD BLUE, ETC.

Model 1871 frame manufactured c. 1872-1888.

NF - FAIR- 0% - 40% with generally smooth finish, may have mild cleaning yet not deeply pitted, but well worn, replacement of minor parts may need mechanical adjustments, may have rust and may have corrosion pits which do not render article unsafe or inoperable. In working condition. Wood condition commensurable with percent of finish with dings and dents associated with 0% - 40% gun.

NPRF - NON-PROFESSIONALLY REFINISHED/COLD BLUE, ETC.

WB - WOOD IS BETTER FOR THE PERCENT OF FINISH RATING GIVEN