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

Manufactured from 1912 to 1935.

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.

Manufactured between 1859 and 1874.