Eric Fortaleza Music - David Ryan Harris' personal OM-28 John Mayer Signature Martin Guitar. Number 337 of 404 made in the world! A personal gift from John Mayer himself. #DRH #DavidRyanHarris #JohnMayer #
Martin Guitar - Martin OM-28JM 'John Mayer' https://www.martinguitar.com/guitars/custom-signature-editions/omjm-john- mayer/ 📷: @johnmayer | Facebook
![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)