In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. Washburn celebrates its 120th Anniversary by issuing the Flint Hills Limited Edition Series of ALL SOLID WOOD acoustic guitars. These magnificent instruments use premium solid woods that have been selected and reserved for this special use. Each model is adorned with the "Flint Hills" abalone inlays and gold Grover tuners. This model features all solid rosewood back and sides with a solid spruce top. Includes Free Washburn Hardshell Case.