![Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music](https://i.b5z.net/i/u/1530927/i/OMJM-John-Mayer_x.jpg)
Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music
![Martin OM-28JM, the original John Mayer signature OM. Made only 404 about 10 yrs ago. Impossible to get these days. | ギター Martin OM-28JM, the original John Mayer signature OM. Made only 404 about 10 yrs ago. Impossible to get these days. | ギター](https://i.pinimg.com/736x/89/49/46/894946662ee00d76f75b8a279d1cecb4.jpg)
Martin OM-28JM, the original John Mayer signature OM. Made only 404 about 10 yrs ago. Impossible to get these days. | ギター
Martin Guitar - Martin OM-28JM 'John Mayer' https://www.martinguitar.com/guitars/custom-signature-editions/omjm-john-mayer/ 📷: @johnmayer | Facebook
![Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music](https://i.ytimg.com/vi/-c_-sZ7zECk/maxresdefault.jpg)