Here is a factory matching pair of Raytheon 5879 tubes NOS NIB NEW USA.  

Matching code on each tube.

Popular tubes for many early 1950s Seeburg jukeboxes and also for audio amp-preamp needs.  

Tested strong-new emission, perfect Life Test, and without shorts or leakage on our professionally calibrated Sencore TC28 Mighty Mite tube tester.  THIS IS BEAUTIFUL TOP-QUALITY NEW-OLD-STOCK USA INVENTORY, not crap.

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