Stop in for a cup of coffee

you would think hey would have a database with the numbers to make it easy on themselves.
data base downsized I guess to save cost. So now, on all vehicles prior to 1981, you have to have dealer documentation to verify sales class. It's some BS that was tied into by an amendment from a D rep that snuck thru on the last bill when they upped the registration costs in Jan. To "pay for roads".