You will have to call Colt. Published sn data ends in 1980
100-700 USD
Sn goes beyond published references. You will have to call Colt to find out.
You will have to call Colt. Published serial numbers stop at 1978
Published serial number data for Colt stops before yours was made. You will need to call Colt to find out. Tel: 1-800-962-COLT
A standard colt mkIV series 80,in 100% condition is worth 875 dollars,it would be worth 975.00 dollars if in nickel finish.900.00 if finished in stainless steel.
You will have to call Colt to find out.
Go to:http://stevespages.com/page7b.htm click on: Colt MKIV Series 80 380 Hope that helps.
100-700 USD or so
value depends on overall condition.....................
Best to ask a gunsmith for help or ask Colt for a manual
your answer can be found at proofhouse.com
See if this works. Go to this sitehttp://stevespages.com/page7b.htm look for and click on Colt MKIV Series 80 380 . It will give you the manual