(!!) (Best Value) VT-229=JAN-CHS-6SL7GT Sylvania NOS white printing 1944-1945, hairline crack in base, mis-matched sections in white box (2.6/3.4ma) Title: 6SL7GT

1 tube) VT-229=JAN-CHS-6SL7GT Sylvania black plates NOS white printing 1944-1945, hairline crack in base, mis-matched sections in white box

2.6ma Gm=1600

3.4ma Gm=1800

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