Thank you for contacting Mearto with your appraisal inquiry.
The presented object appears to be a Colt Navy 1861 percussion revolver with the serial number 8911.
This piece is in good condition and there is no serious damage visible in the images provided.
A fair market estimation would be between 1.000 to 2.500 USD.
This estimate is based on actual recent past recorded auction sales of comparable items. Retail "asking prices" can be higher and may vary.
With kind regards,