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.

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

Manufactured in the mid-19th century.

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.

Engraved lock. Manufactured in the 1830s-1840s.

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 in the 1890s to early 19th century.