vetterli vitali 1870/87 rifle torino

nice vetterli vitali 1870/87 swiss made italian is the vitali,i believe this one of the 1000 that were changed from single shot to multi 4 shot magazines,and used as are 1881,on one side barrel and torino on other by rear numbers match on stock and barrel and are Fabbrica d' Armi di Torino in circle on cleaning pitting,some very slight rust,wood has no major the best research i could ,emails welcome.