such black powder revolvers are anywhere from $150 - $250, depending on condition
Impossible to value a weapon with just the caliber and serial number to any degree of accuracy.
50-150
50-450 usd
No published sn data.
41 or 42 ? about 350 $
Virtually impossible to determine caliber by just the serial number.
Caliber can not be determined by serial number.
No way to know the caliber from just the serial number
Serial numbers do not designate calibers. Look on the brrel to ID the caliber.
Can't tell the caliber from just the serial number.
Call Colt and they will tell you. Proofhouse.com has Colt sn data.
The manufacturer is normally stamped on the firearm next to the model, caliber, and serial number.