Colt black powder 4screw pistol patent engaged by W L Ormsby 16 may 1843 patent number 219 ships engraved on cylinder address col sam colt new york US America How much is this worth?

The value of a Colt black powder 4-screw pistol, particularly one with the patent number 219 and features such as engraving and a historical association with Colt, can vary significantly based on its condition, provenance, and market demand. Generally, such a pistol can range from several thousand to tens of thousands of dollars at auction or in private sales. For an accurate appraisal, it's advisable to consult a firearms expert or appraiser specializing in antique firearms.