Need help for identification

Hi, i'm a newbie about old firearm, this gun was discovered hidden in a attic of an old house in my city, here in Italy, i know it is in very bad condition, but i want to know something more,there is no marks or numbers on it ...thank you very much.
This is the link to the album
Link

I'm sorry but I can't seem to find anything like it in my reference books.

The angle of the bottom of the grip is most unusual because it tilts upward towards the front of the gun.

This area on most pistols runs parallel with the barrel or tilt upwards toward the rear of the gun.

It is quite obvious the bottom of the grip is original due to the carving on it.

I have very little information about Italian pistols so it is possible the gun was made there.

Beyond this, about the only thing I can say is percussion fired pistols which use a percussion cap to ignite the charge were popular between 1825 and 1850.
Following 1850, percussion revolvers came into favor with most people and the single shot pistols became less common.

Hopefully, one of our other members will know what it is?

Thank you very much, any information is precious!

Mate judging by some extra holes in the lock plate and the drum type nipple bolster I suspect it is a crude conversion from flintlock to cap lock, perhaps by the local blacksmith. Interesting what turns up in old houses sometimes.

Many thanks, yes very interesting, it was hidden above beams of the roof.