50-200 USD
Needs to be examined by a gunsmith.
Get an owner's manual. Take it to a qualified gunsmith.
1898 a 3066 brescia
Possibly a Carcano military rifle from Brescia Italy.
Fabricated National Arsenal Brescia, serial number A3707. This is on a Carcano rifle.
50-500 USD or so depending on specifics
100-1000 USD
Do you mean a Pattern 1917 rifle that has been rechambered to one of the .300 cartridges (and if so, which?)? sales@countrygunsmith.net
what is this rifle worth?
There is no way we can tell from this end. You will need to have the rifle examined by a gunsmith.
Would need more info on the rifle, caliber, model, condition and images would be nice