This valve belonged to my father. He said it was unused but I have no way of telling if this is true or not. The box is damaged.
M. Pair B309 12AT7 ECC81 Black Plate Ring getter NOS Marconi UK Valve Tubes
Vintage NOS Marconi /GEC KT-66 Brown base, Valve/Vacuum Tube - AVO Tested Strong
Vintage Style Knob Hifi Guitar AMP Effect Pedal Knob For Marconi Neve
30 Rare Marconi 9003 Gold FLAT PACK 1969 Date ICs Collection NOS
Marconi Crystal Oven W27280 EDN (B5)
Honeywell VC8015 Y-VC8015AG1100 Motorised Valve Central Heating Boiler Valve
