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(!!!!) (~ Best U78 Single ~) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (57/40 and 57/40)

$ 129.99

1 tube) U78=6X4 GEC charcoal black plates branded MWT UK NOS "D" getter halo 1950's

1 section) 57/40

1 section) 57/40

 

M.W.T = (Marconi Wireless Telegraph)

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