Up for sale, a single (1) unused NOS CBS 5V3 rectifier tube, in original shopworn box. Hi-quality tube, clean and shiny. US made. Has been stored away untouched since 1960. Large gray plates. 2 D getters. Briefly tested on Hickok 539C tester.Buyer will receive one tube in box, as shown. Asking $20, plus mail cost. Will be well-packed and shipped within US, $3 by US Postal. More for international mail. -Pete
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