LOL. I have that CRT hooked up to a 7VT2 set designed to use a 7JP4. The grid bias may be off a little.
Nope, not copper plated. Neither is my other TS-18 chassis. My 3 TS-4X chassis are though. I wonder if they decided it wasn't worth the extra expense?
Yes, I do have that label though
I hadn't noticed it before.
I bet you're right - too many mistakes were being made.