![Sigma guitar DM-18 http://www.sigma-guitars.com/index.php?id=250 | Martin acoustic guitar, Guitar, Playing guitar Sigma guitar DM-18 http://www.sigma-guitars.com/index.php?id=250 | Martin acoustic guitar, Guitar, Playing guitar](https://i.pinimg.com/originals/d0/26/f7/d026f7af0eed18654b3579b3049c1b14.jpg)
Sigma guitar DM-18 http://www.sigma-guitars.com/index.php?id=250 | Martin acoustic guitar, Guitar, Playing guitar
![Amazon.com: SIGMA 40” Acoustic Guitar, OOO, 4/4 Full-Size, with D'Addario EXP16 Strings, Solid Spruce Top, Vintage Tinted Gloss, Mahogany Back & Sides, Right(10A) : Musical Instruments Amazon.com: SIGMA 40” Acoustic Guitar, OOO, 4/4 Full-Size, with D'Addario EXP16 Strings, Solid Spruce Top, Vintage Tinted Gloss, Mahogany Back & Sides, Right(10A) : Musical Instruments](https://m.media-amazon.com/images/I/71dV+xU9S9S.jpg)
Amazon.com: SIGMA 40” Acoustic Guitar, OOO, 4/4 Full-Size, with D'Addario EXP16 Strings, Solid Spruce Top, Vintage Tinted Gloss, Mahogany Back & Sides, Right(10A) : Musical Instruments
![Any Sigma Martin fans out there? Love these guitars! DM-3M, DM-18, early/mid 1980s : r/AcousticGuitar Any Sigma Martin fans out there? Love these guitars! DM-3M, DM-18, early/mid 1980s : r/AcousticGuitar](https://preview.redd.it/67jad5ii1pl41.jpg?auto=webp&s=3f887e189d0b053487df53730be80536b2591e74)