Without knowing the maker or model it would beimpossible to give you an accurate value. I can however steer you in the direction or the on line auctions such as gun broker, auction arms and guns america. You can search black powder revolvers and compare what you see to yous. That may help with the maker as well as the value. The PN you mentioned to is a Spanish proof mark (polvos negro in Spanish) or black powder.
Depending on the manufacturer, either Size 10 or 11.
what is the value of a jukar black powder pistol 007806
Yes.
A muzzle loading pistol using a cap to ignite the powder charge
NO
Depends on the caliber. A .45 caliber pistol uses about 40 grains of black powder. Contact the maker's website and download the owner's manual for YOUR gun.
Which one?
The maker of black powder pistols featuring a diamond with "SKA" is likely the Italian firearms manufacturer "Pietta." They are known for producing a range of black powder firearms, including revolvers and pistols. The "SKA" mark may refer to a specific model or series within their product line.
make should be stamped on pistol
How much is a old black powder only 45 cal long barrel pistol worth?
First, find a copy of the owner's manual for YOUR pistol. Second, use ONLY black powder, or a modern black powder substitute, such as Pyrodex. The ROUGH rule of thumb is one half the bore diameter in grains of powder. A .32 cal would use ABOUT 12-16 grains of powder.
Brass, primers, powder, projectiles, powder, reloading manual