@Daniel_R6 "A fake, but interesting. Is it an imitation of an actual RR coin? Or a design made by a modern forger?" It is a fake, an imitation of a real RR coin. Here is a real one for sale on Vcoins:
Not ancient coin related, but it seems the Procter & Gamble Co. may have adapted this design (obverse + reverse) for their old corporate logo: and then came this version as a belt buckle design:
I think this is an mazin reverse, really fascinating. IMHO it is related to an eclipse but it is only a my idea.