Lacking any more specific information, 100-1000 USD or more
value is based on overall condition..............
I don't know , I would like to find the value of the 4440 1891 ser 171906
about 1913
Blue Book of Gun Values is one place.
depends on conditon
You will need a professional appraisal and contact Colt to get a historical letter.
about 1905
10-1000 USD or more depending on specifics
That Colt frontier Bisley with sn 282698 was produced in 1906.
10-10000 USD depending on specifics.
Based on proofhouse.com ,that bisley was made in 1913.
where can i find orginal grips for a cot bisley