Stompbox SG - Credits: Zach Ltx Martin OM-28 John Mayer #193 The real deal for all you John Mayer fans out there! #stompboxsg #gruvgear #fretwrap #martinguitar #martinpride | Facebook
![This is a Martin OM-28JM. It is John Mayer's signature guitar. I have an OMJM which is a stock model of this guitar, but the OM-28JM is the OMJM on ste… This is a Martin OM-28JM. It is John Mayer's signature guitar. I have an OMJM which is a stock model of this guitar, but the OM-28JM is the OMJM on ste…](https://i.pinimg.com/originals/16/80/b4/1680b416b25e52628b499660009ab732.jpg)
This is a Martin OM-28JM. It is John Mayer's signature guitar. I have an OMJM which is a stock model of this guitar, but the OM-28JM is the OMJM on ste…
![Martin Special Edition OMJM John Mayer Signature Orchestra Model Acoustic-Electric Guitar Natural | Guitar Center Martin Special Edition OMJM John Mayer Signature Orchestra Model Acoustic-Electric Guitar Natural | Guitar Center](https://media.guitarcenter.com/is/image/MMGS7/513306000010000-00-1600x1600.jpg)