![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/61wD3ZuGbkL.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
Sigma Jr-40 Jumbo Westerngitarre in Schleswig-Holstein - Flensburg | eBay Kleinanzeigen ist jetzt Kleinanzeigen
![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://images-na.ssl-images-amazon.com/images/I/71dV+xU9S9S._AC_UL210_SR210,210_.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
![1974 Martin Sigma Sbg2-9 (I think) What can you tell me about this guitar? What it might be worth? I am not finding much online. I have read that they only made 1974 Martin Sigma Sbg2-9 (I think) What can you tell me about this guitar? What it might be worth? I am not finding much online. I have read that they only made](https://preview.redd.it/pr4nv2ek1wy71.jpg?width=640&crop=smart&auto=webp&s=2ae1783b36493e968aa729eca0059b6df27eee15)