Vintage RCA Radiotron Electron Vacuum Tube 5U4 GB in box

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Vintage RCA Radiotron Electron Vacuum Tube 5U4 GB in box:
$6.50

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RCA vacum electron tube. Motorola 5U4GB. New in original box. See photos of actual tube for sale.

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Vintage RCA Radiotron Electron Vacuum Tube 5U4 GB in box:
$6.50