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Sigma SDR-28
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Sigma 6 String Acoustic Guitar DR-28 With Sigma Hard Case | eBay
Sigma DR-28 Dreadnought Acoustic Guitar, Natural at Gear4music
Sigma Guitars – DR-28 ($365) | Guitar Street
SDR-28 - Sigma Guitars - Legendary Acoustic Guitars
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Sigma SDR-28 - The Guitar Gallery, Auckland
