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

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

WW - WOOD IS WORSE FOR THE PERCENT FINISH RATING GIVEN

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.

WB - WOOD IS BETTER FOR THE PERCENT OF FINISH RATING GIVEN

Manufactured from 1912-1916.