Lots (dozens) of Robinson-built R22s have been sold to Italy in recent years and been given registrations in the ultralight section of the I-xxxx register. Perhaps (can anyone confirm?) that reclassification as an ultralight invalidates standard certification and un-Robinson-izes an R22.
There are other R22-like Heli types in Italy apart from the YoYo, including YeeHaw, Moskito 22, and Libellula