No, "roubles" at the time these coins were issued (mid-1700s) were large silver coins. We can't quite read the denominations (larger pics and/or telling us how large they are would help, but they're most likely to be 1, 2 or 5 kopeks.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis