We call them "plate vaults.". Plate is made of plastic. The plate may have dings, rust, scratches, scuffs or bends.
JR Motorsports Racing Nascar Booster License Plate Race 2007 PLASTIC
Ted Musgrave Number 16 Nascar Booster License Plate Roush Racing
1997 JOE NEMECHEK #42 BELLSOUTH NASCAR BOOSTER License Plate
Jeff Gordon 24 Dupont Nascar Booster License Plate Front
Lot Of 4 Kellog’s NASCAR Booster License Plates Gordon Johnson Busch Mears
Ernie Irvan Nascar Booster License Plate Havoline 28 car Racing Autolite Yates
