Get my Guitar found the latest prices on the Martin OMJM John Mayer 20th Anniversary with Case.

To commemorate the 20th anniversary of John Mayer's popular OM-28JM model, Martin collaborated again with John Mayer to offer this tasteful anniversary Orchestra Model. It exhibits the same versatility for today's diverse contemporary musical styles and includes a unique label with Mayer's electronic signature. This edition is limited, so make sure to check it out soon! If you're looking for something with a little more bling, check out the OM-45 John Mayer Platinum Anniversary Model.