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.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
![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…
![MINTY! Martin OMJM John Mayer Signature OM-28 Acoustic Guitar #2241 OHSC | balloonswithatwistdfw.com MINTY! Martin OMJM John Mayer Signature OM-28 Acoustic Guitar #2241 OHSC | balloonswithatwistdfw.com](https://cdn.shopify.com/s/files/1/0916/0836/products/29871_Used_OM_28JM_John_Mayer_Limited_Signature_Edition_961460_1_383x@3x.progressive.jpg?v=1571460004)