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

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

CM 17AY3A VACUUM TUBE NOS - Tested with Original Box

VACUUM TUBE ~ 17AY3A ~ RCA ~ NOS ~ 17AY3 A

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

GE Electronic Tube 17CK3 NOS In Original Box ~ Tested

GE Electronic Tube 25CG3 NOS In Original Box ~ Tested

RCA Electronic Tube 34CE3 NOS In Original Box ~ Tested