I'm not sure the above lock is an original flint. While the cock looks pretty good, the frizzen, pan, and frizzen spring all look new to me, and the frizzen spring is way out of position. The border around the lock is still visible under the frizzen spring, which often indicates an original percussion lock was incorrectly converted to a flintlock, as this one appears to be. On most original flints, the engraved border usually is interrupted, i.e. not continuous, where the frizzen spring sits. Shelby Gallien