For sale: 2021 Custom Shop C.F. Martin HD28 Highly Flamed Koa Back & Sides: Price $6490 CND. - In Like New Mint Condition. (Original Owner) - Top Sitka Spruce. - Body Binding Material European Highly Flamed Maple. - Top Color Aging Toner. - Finish Gloss Body, Satin Neck. - Bone Nut & Saddle. - Bracing Pattern Forward Shifted Scalloped. - 1 3/4in Nut width. - Tuning Machines Nickle Grover. - Neck Profile Modified Low Oval. - Fingerboard Material Black Ebony. * With Upgraded Deluxe C.F Martin 545 Geib style case. This C.F. Martin Custom Shop HD28 Highly Flamed Koa Back & Sides A trusted icon,Combining powerful tone with refined elegance. Delivers a bold projective sound with strong bass, clear trebles and rich overtones. Rare Custom Shop C.F. Martin instrument that will only increase in value.