ECF86 Valve Tube.
DAF96 TELEFUNKEN Vintage Valve Tube - Tested Good - #13/5
Telefunken ECC88 Valve - Balanced Perfect ,Tested Excellent
RCA VT138 1629 Magic Eye Tube Valve Tube New Old Stock
M8100 6AK5 CV4102 MULLARD SPECIAL GOLD PIN MATCHED PAIR VALVE/TUBE
M8100 CV4010 5654 EF95 MULLARD VINTAGE PAIR VALVE TUBE - SQUARE GETTER BLACK ...
6L6G TUNG-SOL RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE
