(4) Very Rare 110% Testing Sylvania 1940's Blackplate Tall Bottle 7N7 = Loctal 6SN7 Audio Tubes, Scores are 102/108, 106/108, 106/110 & 102/106 with Min. Value being 50/50 so this tube tests 110% Good Luck!
(((((I do not lower declared value or write as gift due to US Laws)))))
I no longer ship to China & Vietnam due to lost packages in Custom's