[Va 5.0]

Unfortunately there are not many Conn cars around to compare it to, first I would verify it is an SSP. Check for the usual cetified speedo, single key, trunk release, ground straps under hood / trunk,and full size spare.The DSO on the door is a good start. Post the DSO and we can figure out what office it was ordered through. I would look for any old state inventory stickers sometimes found in the door jams or glove box if they are still there. I had somebody ask at their fleet headquarters to see if they could verify a car was a Conn car but they said all records from this time were shredded.
Possibly Carfax may be your best bet to show if it was titled to the State of Conn.
There is a member on .org I think his user name is Healey Bill or something close to it. He has a couple CSP cars and you may see if he can steer you in the right direction.
About the buck tags sometimes they are hard to find, the guy I bought mine from could not find them either. When I got it home I found mine painted red on the core support just to the left of the headlight.
Good Luck, Hopefully it is clean and has no rust!