thank you so much for your respond,
the proper name of it I think should be at least like
"antiquarian forgery of Troubetzkoy ruble" or "modern copy of Troubetzkoy ruble"
thanks again for your words, I think so too, somebody sees this coin as a real ruble
I do not have Bitkin on hands, this ruble was reference as R4 in Bitkin.
Does it say that there that this ruble is a fake of Troubetzkoy ?