Italian road sign: direction sign for ring road. The upper part of the sign bears the acronyms of the National Fascist Party (Partito Nazionale Fascista - PNF) and of Royal Automobile Club of Italy (RACI) and the word circonvallazione (ring road); the lower part of the sign bears the name of the sponsor. Introduced at the end of 1920s and used unitl the begin of 1930s.
Annuario Automobilistico, 1931 Reale Automobile Club d'Italia
Original:  Reale Automobile Club d'Italia (RACI)

Vectorization:  Earthshaker13