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Sold at Auction: Vintage Sigma by Martin Acoustic DM3 Guitar w Case
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SIGMA MODEL DM4 ACOUSTIC GUITAR, SERIAL NUMBER 8109154, COMES WITH SOFT CASE - Able Auctions
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Jaimie Muehlhausen // Vibrosonic Design
Jaimie Muehlhausen // Vibrosonic Design
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Jaimie Muehlhausen // Vibrosonic Design
Sigma Guitars - Wikipedia
