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.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Manufactured from 1906 to 1910.

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.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Manufactured between 1893 and 1939.

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.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Manufactured between 1912 and 1939.

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

Manufactured between 1911 and 1930.

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.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Manufactured between 1907 and 1932.

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.

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

Manufactured between 1912 and 1939.

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

Manufactured between 1924 and 1931.