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Amazon.co.jp: Columbia 1010 Vacuum Tube Radio, Showa Retro, Unconfirmed Operation, Unmaintained, 2 Band Radio, Showa Retro Pop : Toys & Games
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File:Vintage CBS-Columbia Portable Radio, Model 5110, AM Band, 4 Tubes, Battery Power Only, Made In USA, Circa 1955-1956 (27062554612).jpg - Wikimedia Commons
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