Vinaccia instruments in Russia were available via large dealers and as personal import items. I came across several very fancy Vinaccia instruments in Russia, plus some of more modest ones. The following Vinaccias were spotted in Moscow:
1898 Fratelli Vinaccia
1900 Giuseppe Vinaccia fu Gaetano
1907 I.F.Mueller catalogue lists some fancy mandolins without mentioning the actual makers, but given the description, picture and a very high price tag it looks like at least one mandolin (pictured right) is a Vinaccia.
This 1902 Fratelli Vinaccia found in Ukraine is of more modest model, but it is an absolutely superb instrument in all aspects: