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

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

Manufactured in 1912. With a non-factory box.

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

Manufactured from 1917 to 1928.

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

Manufactured between 1918-1934.