Italian road sign: town name. 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), the number and the name of the highway; the lower part of the sign bears the name of the sponsor. In the center of the signs are the name of the city and some traffic rules (reduce speed, closed exhaust, keep right). 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