Jukar is a brand used on modern day reproductions of primitive firearms. Impossible to say an exact value without seeing the condition, but these are not high dollar guns, and are typically in the $125-$175 range.
The flintlock was a primitive gun.
flintlock rifle
Probably a flintlock musket.
Flintlock musket
10-10000 USD depending on specifics
As we know the flintlock today, the first was made in 1610 in France. There WERE earlier guns that used a flint sparking mechanism, such as the wheelock and the snaphaunce.
maybe if tomato was in the bag
The flintlock gun was used for hunting.
No such thing. The last flintlock rifle of the US Military was the Springfield Model 1840. You need a hands on appraisal by a dealer in muzzleloaders.
Bee Juker has written: 'Jeremias Gotthelf, 1797-1854 (Albert Bitzius)' -- subject(s): Bibliography
Flintlocks, are as accurate as any other gun without a scope. It depends on your load and the how tight you pack the ball with the patch. With practise and lots of it, you can be very proficient with a flintlock, and it is a lot more fun than any other gun.
You will need to get a professional appraisal.