Can we Identify This?

[dieseljeep]

Originally Posted by bonanzaman

OK, so this is perhaps mid sixties....towards the last of the roundie color sets?

The "B" line models we the 1966 models.
That model was the first GE set to use the "Crystal Ringer" design. Actually it's a glorified Porta-color.
It could be similar to the '57 21CL500 color circuit.