Pair of RCA 5Y3GT vacuum tubes with black plates, bottom D getter.  (see photos for full details) 

Tube #1: RCA 5Y3GT with date code: AL (Jan. 1965). Tests strong ratings on B&K 707 tester.

Tube #2: RCA 5Y3GT with date code: 7-26 (Week 26 1957) Tests strong ratings on B&K 707 tester.       

Check my feedback, these vacuum tubes will be well packed and shipped fast.

 

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