Hello, "tutsi" ! The factor of Cyrillic versus Latin alphabet letters aside, I don't ever remember seeing a Russian silver piece of the Imperial era marked "800." Typically, their silver marks begin with "84" (which is still below the modern "sterling" level of .925) . As I don't have my reference books readily available, I would hazzard a GUESS as "German" (possibly), or in a broader sense, "(European) Continental." Hopefully, someone else can be more definitive. Regards, AP