Claim: Vehicle registration plates of Eritrea, which included colonial code ER, also included the Italian flag as Ethiopia was under the control of Italy around 1940.
Evidence: Subsequently, until 1935, the Italian colonies used white plates on black with a colonial code on the first line, and up to 5 numbers on the second line. ERITREA, later ER for Eritrea Between 1937 and 1941 there was an Italian governorate in Ethiopia and in those years a new type of Italian license plate was issued. They were exactly the same as the previous ones, but they had three squares on the left, colored top to bottom green, white and red, like the Italian flag, with the letters AOI (Africa Orientale Italiana) for Italian East Africa inside.