Anyone know anything about the history and/or value of this flange sign.
Sign is 6" x 15" and double-sided with a black flange. There are no markings as to date or maker.
Believe it's an early Oilzum sign. Anyone have an Amistadi book to see if it's in there?
Last edited by nebrgas; Fri Aug 04 2017 11:07 AM.