![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._AC_UF894,1000_QL80_.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
![Sold Price: Sigma – by C.F. Martin & Co. – 6 String Acoustic Guitar – #DR7 – w/Strap, Extra Strings & Case - October 3, 0122 6:00 PM EDT Sold Price: Sigma – by C.F. Martin & Co. – 6 String Acoustic Guitar – #DR7 – w/Strap, Extra Strings & Case - October 3, 0122 6:00 PM EDT](https://image.invaluable.com/housePhotos/reddingauction/23/733023/H21122-L305251006.jpg)
Sold Price: Sigma – by C.F. Martin & Co. – 6 String Acoustic Guitar – #DR7 – w/Strap, Extra Strings & Case - October 3, 0122 6:00 PM EDT
![Sold at auction Sigma for C.F. Martin & Co. DT-4 Acoustic Guitar Auction Number 3650T Lot Number 1388 | Skinner Auctioneers Sold at auction Sigma for C.F. Martin & Co. DT-4 Acoustic Guitar Auction Number 3650T Lot Number 1388 | Skinner Auctioneers](https://images.skinnerinc.com/full/511/1272511.jpg)