for information furnish serial number to: felix@bedians.com
300
what is a 1978 .38 special colt cobra serial #m52453 nickel plated with pearl handle worth?
Wall hanger to multiple thousands of USD depending on condition, if it left the factory with the grips you mention, box, accessories, papers, etc. You reall need to get it lettered by Colt.
50-300usd
Colt offers history letters.
50-400 usd
You might find them at gungrip.com
Colt Book of Firearms by R.L. Wilson
25-500 usd
No published data
Up to 10000 USD depending on specifics
Yes, Colt has and continues to make automatic pistols.