'33 vs '34 Fords

[Leadfoot4U]

Originally Posted by DavidG

All of the U.S.-made '33 and '34 passenger car with bodies not manufactured by Ford had such a body number tag on the firewall (or were supposed to have) and with the letters LB in the middle. They had no connection with Long Beach. The first group of numbers on the tag were the body type code as in your case, 710 for roadsters.

So, what does the "LB" stand for?