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.

Manufactured 1865-1888.

OE - GOOD - some minor replacement parts; metal smoothly rusted or lightly pitted in places, cleaned; principal lettering, numerals and design on metal legible; lightly scratched, bruised or minor cracks repaired; in good working order.

Manufactured 1863-1888.

OG - POOR- major or minor parts replaced; major replacement parts required and extensive restoration needed; metal deeply pitted; principal lettering, numerals and design obliterated, wood badly scratched, bruised, cracked or broken; mechanically inoperative; generally undesirable as a collectors firearm in its present state.

Manufactured 1868-1882.