One thing few explain is condition. Is the sign a 9.5 (out of a 10) or is it a 7. Learn how to estimate the condition, then determine the value depending on the condition and the rarity.

The condition estimates made by Dan Mathews for the Moore auction were some of the best I have seen.

Jack Sim

Last edited by Jack Sim; Sat Nov 07 2015 08:27 PM.

Author, Gas Pump Identfication books 1st & 2nd Editions & Air Meter Identification books
We rebuild ECO air meters and sell parts.