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

Factory letter states revolver was delivered to the U.S. Government Inspector at the Colt plant on December 31, 1890 as part of a 400 gun shipment. Matching number parts throughout.