The markings on the guard throw me a bit. The "eye" pattern with dots are often seen on East Indian tulwar and some Afghan blades I've seen. However, my nimble memory might remember that this was, in fact, an old Italian bladesmith's mark, used sometimes much later as a symbol of quality, like Sahagan and Andria Fererra marks? Might want to confirm these "eye lash" markings as they are called-
