This Valencia acoustic guitar is signed on the body by "The Highwaymen" Johnny Cash, Kris Kristofferson, Willie Nelson and Waylon Jennings as well as Slim Dusty. The signatures are all in black sharpie pen and were obtained on May 15, 1991 at a concert in Brisbane Australia. The Slim Dusty signature was obtained later in 1998 in Winton, Queensland. The Valencia label appears inside the guitar and states that is was made expressly for Australian Music Supplies, Model J210AT. The accompanying photographs show Johnny Cash playing this guitar with June Carter Cash and their son, John Cash Jr. at a May 29th, 1991 concert in Stanthorpe, Queensland. The guitar was then purchased at a charity auction following the performance. In excellent condition, all the signatures are clear and strong, with the exception of Jennings whose first name appears to have been partly rubbed off. Estimate $35,000-$45,000.