Long Story here:
I have a 68 CJ car that was never registered, and obviously never titled. It had a 1970 inspection sticker on it but it was bogus since the RMV had no info on it. We had to show a bill of sale, get a special form from RMV, the local P.D. was dispatched to authenticate the V.I.N. and that it had not been tampered with. The police signed the form and the title was issued. The bill of sale was from 1980 but told RMV the sales tax was paid in CT so we did not get creamed for interest & penalties. The rest is history!