OD - VERY GOOD- all original parts; none to 30% original finish; original metal surfaces smooth with all edges sharp; clear lettering, numerals and design on metal; wood slightly scratched or bruised.
NPRF - NON-PROFESSIONALLY REFINISHED/COLD BLUE, ETC.
WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN
Manufactured in 1863-1865 and modified lock with hammer in full cock only.
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