My guess is the Vito font. As in hand painted by an artistic sign maker named Vito based on what he though looked best on the car he was painting. Vito probably didn't even have any stock fonts, just a brush and paint.
Looks like he saw your bat-signal in the sky. LOLGoogle is not being helpful. My guess is that your fastest path to a correct answer is to find a print shop run by some old codger who knows his fonts forward and backward from memory.