USA 6AX4 GTB Gray Plate Tube, Tested Good

Cannot read the brand name on this one, but clearly marked made in USA, and tested 74.

Pre-owned tubes have been tested on a Triplett 3414 tube tester, and must test 60 or higher.
Tubes are also tested for leaks and shorts.
The test reading for each tube is in the listing.
Tubes will be packed safely and shipped quickly from Mississippi.
I have been selling on eBay for 25+ years.-