Need Help Identifying a Spanish or Italian Flintlock Pistol

[Kenponographer]

Need some help identifying this flintlock pistol of unknown origin. The bore is 52 caliber. "Lambertu Turini" is engraved on the right lock plate. There are two gold inserts on top of the barrel: one with a crown and "PISTOLA", the other with a lion. All the stock fittings appear to be silver or silver plated, there is what appears to be a dog's face outlayed on the pommel. The steel shows no signs of rust or corrosion. The wood is cracked near the pommel and the ramrod is missing. The action appears to be functional, but I have not attempted to fire it.
My best guess is a Spanish or Italian piece. Any info at all would be appreciated. It will be sold as soon as a value can be established, so offers are welcome.
https://imgur.com/OVSwXlS
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[Kenponographer]

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