100
'Colt'.................
Proofhouse.com has Colt sn data. That prefix was put on pistols made between 1981 and '83.
No published data
Depending on what it is, yes. You have to call Colt to find out for sure.
Yes, Colt has and continues to make automatic pistols.
Colt's
Colt, Remington, Smith and Wesson
I believe Colt pistols ARE sold in Canada, however, SOME Colt firearms are restricted arms under Canadian law, and require special permits to purchase.
No
about 2000 handguns for the police, yes..
No published data