True NOS NIB Sylvania USA 6S4 Grey Plate Top [] Get 3 Mica Vacuum Tube - VIVA TUBES

TRUE NOS NIB Sylvania USA 6LR8 Black/Silver Plate 2 Side O Get Vacuum Tube $9.95 - PicClick

TRUE NOS NIB Date Matched Trio (3) RCA USA 7B7 Grey Plate Get Vacuum Tubes 100+% £85.44 - PicClick UK

Tubes A-Z - Tubes A-Z -- All - Page 16 - VIVA TUBES

SYLVANIA Vintage Vacuum Tubes for sale

12BH7A NOS/NIB SYLVANIA

True NOS NIB Sylvania USA 6AN8 - Grey Plate Top O Get - Vacuum Tube 100%+

VIVA TUBES Thousands of vacuum tubes always tested, matched, and guaranteed

NOS Tube Store: SYLVANIA 5814 & 6189 ASSORTED RARE SELECTION

TRUE NOS NIB Rad-Tel USA 6W6GT Black Box Plate 2 BTM [] Get Smoked Glass Tube £4.70 - PicClick UK