Talk about fun! Here is a mid 19th century double barrel pistol. The flat topped percussion locks are known as "bar locks" because of the shape. The blued locks are hand engraved.           Here's a view from the bottom. The brass triggerguard is hand engraved. The screw that you can see in the diamond shaped inlay is to take the pistol apart for cleaning. It has a hooked breech design.           Here it is from the business end. The smoothbore barrels are .62 caliber.