More facts about my radio. That is from the beginning of 30 ´s and the model number is 304V.
I hope that can be to help.

:More facts about my radio. That is from the beginning of 30 ´s and the model number is 304V.
:I hope that can be to help.

Sounds like it's an RCA. "His Master's Voice" was part of their logo. Are you sure about the model number?