Antique 2 pronged silver fork marked “ITALY” and “800” on the back.

This is an antique silver pot fork that measures 10” long and is marked with “ITALY” and “800” on the back.

Those are the only marks I can see so I assume it’s 80% silver but other than that I know nothing about it....it is solid and quite heavy.

Can someone give me the approximate value or let me know how old it may be?

Thanks!