Sylvania 17AY3 VACUUM TUBE - NOS with Original Box ~ Tested

Curtis Mathis Electronic Tube 17AY3A NOS In Original Box ~ Tested

Raytheon Electronic Tube 17AY3A NOS In Original Box ~ Tested 17BS3A 17DW4A

17AY3A NOS RCA Vacuum Tube in original box.

SYLVANIA 17AY3 A TUBE NEW OLD STOCK NOS NIB ORIGINAL BOX

Pair Nos Siemens Germany D3a 7721 Gold pin Vacuum tubes NIB Tested & Guaranteed!

NOS Magnavox 17AY3A Vacuum Tube - White Box - Tested

RCA 17AY3A Vacuum Tube NOS TESTED