Avenue Studios started as RKO's cartoon division for theatrical cartoon one-reels. The number "1270" is actually the number found at the address of headquarters of RKO Radio Pictures.
The name of the studio and number "1270" are removed from the sign and "An Avenue Studios Production" is shown above the latter logo.
RKO Cartoon Studios
This logo was designed by Saul Bass as part of the RKO General rebrand.
RKO Feature Animation
RKO Animation Studios
This logo was designed and produced by Salovaara + Kukkonen Group New York in New York City.