Used Sigma DM-4 Made in Korea Acoustic Guitars Wood Acoustic Guitars
Sigma Guitars by C. F. Martin & Co. DM-4 Acoustic Guitar with Hard Case. VGC DM4 - Acoustic Guitars - Indian Land, South Carolina | Facebook Marketplace | Facebook
Sigma 000MC-1STE+ 000 Auditorium Solid Spruce Top Acoustic Electric Guitar | eBay