Spain
who made the gun. how do you know it's a black powder gun ????
Black powder was made of a mixture of charcoal, sulfur and saltpeter (Potassium Nitrate)
The original gunpowder (black powder) is a mix of charcoal, sulfur, and saltpeter.
Black Powder.
The value of a black powder gun made in Spain with serial number 31587 25 Cal is worth approximately $150. The exact value will depend upon the condition of the gun.
To the best of my knowledge unless you are a convicted felon you can own a black powder gun.
I think what you are seeing is in actuality PN which is a proof mark and stands for polvo negro or black powder. It is most likely a pietta or san Marco made gun.
Gunpowder, also known as black powder, is traditionally composed of sulfur, charcoal, and potassium nitrate (saltpeter). The mixture creates a highly combustible substance that, when ignited, rapidly releases gases, producing the explosive force necessary to propel projectiles from firearms.
Chinese
I imagine state laws vary on this but in Texas you do not have to call anybody to transfer a black powder gun.
no rockets run on black powder (gun powder)