Martin Custom Shop 00 Size 42 Style w/ Koa, Swiss SpruceIn the spring of 2018, Russo Music worked in collaboration with the Martin Guitars custom shop to design a series of custom acoustic instruments. Russo Music hand selected through sheets of some of the most revered tonewoods sourced throughout the world. The result is a line of six guitars all unique in their own rights, but all true blue Martin guitars in both sonic quality and visual presentation. This guitar is a Custom Shop 00 42 12 fret. The 00