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1923 Freddie Dixon Race Motorcycle / Harley-Davidson on display at the companies new museum in Milwaukee, Wisconsin,USA Stock Photo - Alamy
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File:1923 Harley-Davidson Model 8-Valve Board Track Racer (2) - The Art of the Motorcycle - Memphis.jpg - Wikimedia Commons
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1923 Motorcycles Harley Davidson - Model 23 JS V-Twin With Factory Royal Tourist Sidecar | Classic Driver Market
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