Find Your Sigma Filter Guitars Filtered (0) Filters Reset all× Black Walnut× European Spruce× Neck Shape modified V× 25.4” (645 mm)× No× Yes× Top Wood Adirondack Spruce Flamed Koa Special 6-String All Solid 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.