Try Proofhouse.com
No serial number given.
about 1913
about 1905
Based on proofhouse.com ,that bisley was made in 1913.
That Colt frontier Bisley with sn 282698 was produced in 1906.
Based on proofhouse.com ,it was mfg'd in 1906
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
A Colt Bisley with that serial number would be 103 years old having been made in 1907.
Made in 1911.
On the frame
Nearest I could find with that serial number was a single action army & bisley (pre war ) made in 1895.
value is based on overall condition..............