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
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Martin Custom Shop OM Size 28 Style with Engelmann Spruce Top, Abalone Rosette and Fishman Pickup - Maury's Music
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