It’s a super common reproduction with a white back. When they fake rust these they just throw them on top of each other to dry. You can actually see the ring from the other sign that was against it on the back.

But other than clues like that, a lot of it is experience.

Last edited by Speedracer; Tue Dec 13 2022 01:07 AM.
-Steve B. (WTB: 48" Flying A button, 48" black/org Phillips 66, White Star, and Chevrolet Signs. Also looking for a Wayne 866. Send a PM. Thanks.)