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.

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.

OF - FAIR- some major parts replaced; minor replacement parts may be required; metal rusted, may be lightly pitted all over, vigorously cleaned; rounded edges of metal and wood; principal lettering, numerals and design on metal partly obliterated; wood scratched, bruised, cracked or repaired where broken; in fair working order or can be easily repaired and placed in working order.