Ketland & Company trade pistol made up until 1816. So it is at least 205 years old and now it is fully functional. I'm not sure when Ketland started to export this model, but I think the model was made backmto around 1750. I spent the last year tinkering to loosen the barrel so it could be loaded like a turn off should be. I had to make a tool to help grip the barrel that has a lug for that purpose. The rest of my terrible pictures: I just learned today that when at half cock the trigger guard moves forward and acts as a safety. Pretty neat design.