Silvertone 6AX4 Tube, Made in USA, Tested Good

Silvertone (made by Superior Tube) 6AX4, tested good at 60+.

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.