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  EL34 / 6C87 / KT77 JJ Vacuum Tubes (Quad Matched Set - Slovak Republic) - SOLD

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  ECC82 / 12AU7 JJ Vacuum Tubes (Slovak Republic) - SOLD

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  KT88 Svetlana Vacuum Tubes (Russia) - SOLD

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  KT88 Sovtek Vacuum Tubes (Russia) - SOLD

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  KT88 Valve Art Vacuum Tubes (China) - SOLD

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  Early 1960s 6L6GC Vacuum Tubes Vintage USA- SOLD

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  Early 1960s Sylvania Vacuum Tubes Vintage USA - SOLD

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  1960s 7025 & 12AX7 Vacuum Tubes Vintage USA - SOLD