6AX4-GTB Unbranded Japan Tube, Tested Good

No brand name found, but clearly marked Japan.  6AX4-GTB, tested good at 67.

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.
Used metal tubes will typically have imperfections/pitting/corrosion in the paint and metal surface. Tghis is cosmetic only and does not impact tube performance.