Classic Buick "Nailhead" V-8.
I had those stickers by the hundreds at one time, right along with the Chrysler Pentastar pop rivets for vin tags.
I remember, many years ago, being at the Mopar Nationals, and a vendor there had a nail keg full of those rosette VIN rivets. He was selling them for a buck apiece.I had those stickers by the hundreds at one time, right along with the Chrysler Pentastar pop rivets for vin tags.