Search the workshop with a keyword like 1950, good builders have detailed descriptions that include things like the year.

Thanks

I actually have a collection (albeit, not the worlds biggest collection) of 70's and earlier cars for an RP server I was trying to do at the time, you may find some useful things there:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3054919840