NOS Ken-Rad 5Z4 Rectifier Vacuum Tube Tested New In Original Box

JAN Philips ECG 12AT7WC Vacuum Tube NOS Military Spec Tested Strong Original Box

Sylvania 6DQ5 Vacuum Tube Black Plate NOS? Strong 110% TESTED Original Box OB

PHILCO TYPE 41-ST VACUUM TUBE (1), TESTING STRONG, PRISTENE ORIGINAL BOX.

PHILCO TYPE 41 GT VINTAGE POWER PENTODE TUBE, NOS, NIB Tested & in ORIGINAL Box

NOS Ken-Rad 7N7 Vacuum tube - White Box - Tested

Tung-Sol 25DN6 Vacuum Tube - NOS in Original Box - Tested Strong

Ken-Rad 7193 / 2C22 Vacuum Tube NOS Gray Plate TV-7 Tested 100% Strong USA