This plate was on a road runner my uncle recently bought. Obviously really old. My uncle thinks it was a dealership item from back in the day?
Anyone ever seen one of these before? I thought it was cool so I saved it for wall art in my shop.

RR Plate.jpg
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax