Sylvania 6L6G Tetrode Grey Glass Tube Valve Used Tests Good Made in USA

See photos for condition.

Tests good on Taylor Model 45C valve tester.

Mutual conductance reading Gm 4.9

100% factory data in Taylor manual at Gm 3.8

Filament continuity, and mutual conductance test readings photographed respectively.

UK shipping with MyHermes Tracked or Royal Mail. 

International shipping with Royal Mail International Tracked.

I will combine postage on multiple valve orders. See my other listings!