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Acoustic Guitars/value of sigma Martin dr28n


Thru research I found  I have a dr28n in original condition  &  in very  good  condition . Can you tell me  what  it might be worth . Thanks, jim

Sigma by Martin DR-28
Sigma by Martin DR-28  
Sigma DR-28's usually sell from $200.00-$400.00. I have a website and also I consult and co-administer for Vintage Sigma Guitars on facebook. Come to either of those sites for more info. Like VSG on facebook and several of us will help you further. Here is one of my DR-28's

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Kevin Dunham


Sigma by Martin guitars, Vintage Asian Import Guitars, acoustic guitars, american guitars, vintage music gear and vinyl record albums


I am a scholar and researcher of vintage Asain Import guitars and my area of expertise is Sigma by Martin fretted instruments imported by C.F. Martin & Co. from 1970-2007. I have been compiling materials and studying Sigma since 2008.

I have my own website,, a blog, Sigma Martin Memo's, I am a consultant on the Vintage Sigma Guitars Facebook page and am an editor of the Sigma Guitars Wikipedia page. I am also writing a book on the sigma line and have just returned from MArtin in NAzareth where I was granted access to and permisiion to reproduce Sigma by MArtin materials by Dick Boak, Archivist at Martin. Martin customer service representatives now refer Sigma by Martin inquiries that they cannot answer to me.

My book propsal is currently under review by Hal Leonard Performing Arts Publshing group and an article I wrote for Vintage Guitar Mazine is under advisement.

Studied at Linn Benton Community Collage in Albany Oregon and Marylhurst University in Portannd, Oregon. I have been a lifelong musician and student of guitars and am a guitar tech.

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