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

Few thousand produced, has standard earliest production (late 1870s) markings and features, some minor pitting. Some play in the barrel assembly.

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.

Standard markings and features, cylinder pin absent. Hammer does not hold at the full cock position.

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

Produced from 1878-92, standard later model markings and features.

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

Produced from 1878-88, standard bird's head grip style markings and features.

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

Standard markings and features, hammer does not hold a full cock position.

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

Top of barrel marked "EXCELSIOR", and left side "PATD APR.23 1878"

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

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Standard bird's head grip style markings and features with ivory grips. Grips show several minor cracks.

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

Standard markings, with frame adorned with a scroll engraving on a punch dot background, scrollwork on the barrel lugs. Barrel slightly loose, hammer does not hold a full cock position.

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.

Standard markings and features. Hammer spur absent, cracked right grip panel, action needs work.

OB - EXCELLENT- all original parts; over 80% original finish; sharp lettering, numerals and design on metal; unmarred wood.

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

Standard Second Model markings, scroll engraving on the barrel lugs and at the muzzle, with Indian/settler cylinder scene. Nickel plated with gold washed frame. Barrel slightly loose, hammer does not hold a full cock position.

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.

Standard markings and features, ejector rod absent, grips numbered to gun.