Vintage Sylvania 5X4 G Rectifier Amplifier Radio Vacuum Tube TV-7 Tested D23

This is a vintage Sylvania 5X4G rectifier amplifier radio electron vacuum tube. It tested on my TV-7 at 58/58 with minimum values of 40/40, so good strong testing tube.
I purchased a LARGE collection of mostly NOS vacuum tubes which I will be listing so be sure to check my other listings.