100-1500 US dollars.
100-1000 USD or so
I just purchased one from a dealer in like new condition for $1,000. I believe that to be the low end of the value of this gun. Most in this condition will be higher.
Yes
600-1200
No way to answer without the entire serial number. You can call Colt and they will tell you.
Very poor description to base a value on. Broad range 300-800 USD.
Model 6601
100-1000 usd
Fiind a copy of "The Black Rifle", both volumes. You can research it then.
500-800 depending on what "very good" turns out to be.
You will have to call Colt to find out.
You have written your question in a way that guarantees it can not be answered. In order to answer your question you left out the most important piece of information. You did not provide the serial number. Serial number data has been published in many books. The Blue Book of Gun Values is one. Alternatively, you can call Colt with he serial number and they will tell you.