Find Your Sigma Filter Guitars Filtered (0) Filters Reset all× Grand OM× Quilted Maple× Hawaiian Koa× Cutaway× 25.4” (645 mm)× 44,5 mm (1-3/4")× Yes× Back & Sides Indian Rosewood Mahogany Pau Ferro Walnut Flamed Koa Show (0) Cancel No Results Found The page you requested could not be found. Try refining your search, or use the navigation above to locate the post.