Matched Pair 5C3S / 5U4G / Tubes NOS Black Plates Same Date Test 100, 1966, NiB

Matched Pair 5c3s = 5u4g= 5u3c Svetlana Grey Plate Tubes Nos Same Data 1976

Matched Pair Nl - 872 Tubes, Nos, National Electronics

Matched Pair 6n23p - Ev Tubes Nos (6n23p E88cc Ecc88 6dj8)

Matched Pair Amperex Holland El34 / 6ca7 Halo Getter

6n6p Matched Pair / Ecc99 / E182cc Tubes Nos Nib Gold Grid Same Date Codes

Matched Pair Rca 6bl7gta Tubes Nos Nib Test High 1966 Black Plates

Matched Pair Ge 6l6gc Tube Nos 109 Clear Top Side Getter

Matched Pair 6sc7 Rca Tubes Nos Nib Dual Triode Fender Deluxe Amp Vt - 105 Rogers