3BA6 CBS Pentode Vacuum Tube - NOS - TESTED

1B4P 1940s Marconi Radiotron Vacuum Radio Tube ST Pentode RF/IF NOS (x1 pc)

1E5GP Marconi Radiotron Vacuum Radio Tube Pentode Philco NOS (x1pc)

1E7 ST Marconi Radiotron Vacuum Radio Tube Dual Pentode Power/Output NOS (x1pc)

1F5G ST Marconi Radiotron Vacuum Radio Tube Pentode Power/Output NOS 1F5 (x1pc)

Display Only Marconi Gecovalve W30 Catkin Radio Pentode Vacuum Tube

Lot Of 3 RCA Marconi 12BA7 Radio Vacuum Tube NOS OEM

Marconi MEL3N EL3 Test Very Good Pentode Radio Vacuum Electron Valve Tube