ND - VERY GOOD- in working condition, 80% finish or better, appreciable wear on working surfaces 80% - 89%, no corrosion or pitting, minor surface dents or scratches. Wood condition commensurable with percent of finish with dings and dents associated with 80% - 89% gun.

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

NE - GOOD- in working condition, wear on working surfaces, finish 40% - 79%, no broken parts, no corrosion or pitting that will interfere with proper functioning, but may have some minor surface pitting. Wood condition commensurable with percent of finish with dings and dents associated with 40% - 79% gun.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

NE - GOOD- in working condition, wear on working surfaces, finish 40% - 79%, no broken parts, no corrosion or pitting that will interfere with proper functioning, but may have some minor surface pitting. Wood condition commensurable with percent of finish with dings and dents associated with 40% - 79% gun.

Manufactured between 1906 and 1936.