G-47 is a 47 tube made for Grisby-Grunow (Majestic). Since it's a globe check price under 247. AES shows a price of $23.00 used.
Norm
:Hello, I have a radio that came with a globe tube with number G-47 and majestic made into the bakelite. I didnt see it on AES or PTOP websites so is it worth a lot? It tests at almost 100%