armaiolo a Gardone Val Trompia, Brescia - this phrase might get you headed in the proper direction?

http://www.littlegun.info/arme%20italienne/a%20a%20images%20armes%20italiennes%20gb.htm

Or click thru Littlegun's website & see if the trademark touchmark is there?

Cheers,

Raimey
rse