Martin OMJM John Mayer Signature Edition Acoustic Guitar w/ Hardshell Case serial number:M2929322 the 100-watt Katana-Artist is a

the 100-watt Katana-Artist is a powerhouse tone machine for all types of music

with some light surface scratches and wear

and this pickup pays homage to that era of in-your-face

water repellent Japanese nylon

but not too clean

Martin OMJM John Mayer Signature Edition Acoustic Guitar w/ Hardshell Case serial number:M2929322 the 100-watt Katana-Artist is aMartin John Mayer Signature Guitar The Martin OMJM John Mayer Signature Edition Acoustic Guitar stands as a testament to a harmonious fusion of Martin's unparalleled craftsmanship and Mayer's profound musical insight. This collaboration epitomizes a partnership steeped in a shared reverence for musical brilliance, birthing an instrument that eloquently resonates with the legacies of both titans. The base model from which the OMJM springs is part of