You are looking at an excellent condition 1976 Gibson MK-81 acoustic guitar w hard case.  It features MINIMAL fretwear, a very flamey solid sitka or Engelmann spruce top, solid rosewood back and sides, flamed maple neck, gold hardware, ebony soundhole rosette and bridge, ebony fretboard with figured abalone block inlays and about ¾” of extra body depth. Set up with extra light strings, strung low and fast.

Based on the Gibson Mark Series (MK) acoustic line produced between 1975 and 1979, the 1976 Gibson MK-81 was a high-end acoustic guitar designed with advanced, non-traditional acoustic engineering. It was part of a collaboration between Gibson, Dr. Michael Kasha, and luthier Richard Schneider.

Key specifications for the 1976 MK-81 include:

• Design: Based on Kasha acoustic theories, featuring a unique, often braced, design for improved tonal output.
• Top: Solid spruce top (usually sitka or Engelmann).
• Back and Sides: Rosewood.
• Fingerboard: Ebony with figured abalone block inlays.
• Bridge: Specialized replaceable, slotted saddle design.
• Headstock: Distinctive "modern" or "fan" shaped peghead.
• Hardware: Gold-plated tuners.
• Binding: Multi-bound top and back, featuring signature "red line" highlights.
• Body Dimensions & Specs

• Upper Bout: 11 3/4"
• Waist: 10 3/16"
• Lower Bout: 16 3/16"
• Body Length: 20 5/32"
• Body Depth: 5 3/64"
• Nut Width: 1 5/8" [1]

These guitars were known for a unique, modern tone rather than a traditional Gibson acoustic sound. Only 431 units of the MK-81 were produced in total.

The very few noticeable dings are pictured. This instrument is in fantastic condition for 50 years old! Due to the age of this guitar we’ve included several hi-def pics for you to enlarge so you get an idea of the overall shape of this guitar and make your own judgement about its condition.

Terms & conditions

 Purchases will be cancelled for any buyers with less than 5 positive feedbacks or ANY negative feedbacks unless contacting us first to discuss.

WE DO NOT DO PARTIAL REFUNDS
Unfortunately this is the policy to combat frequent feedback extortion attempts, though we certainly do try to accurately describe items and ensure customer satisfaction. 

We take great care to provide plenty of high-res pictures with our listings. These will serve as proof of condition for the purposes of this sale. Since everything we sell is “used” there may be very, VERY slight signs of use not specifically mentioned in the listing. Unreasonable issues raised by buyers will be disregarded.

Please feel free to ask questions. We try to answer emails within 24 hours of receiving them.

We ship only to the lower 48 states. NO INTERNATIONAL SHIPPING.  

Please, no trade offers. We’re trying to thin the herd, not fatten it.

This item may be listed on other sites. We reserve the right to cancel bids and end this auction early if it sells via another method.

We try to ship within 3 business days after receiving payment.

Any questions asking to change ANY of the sales terms set forth in this listing will be deleted unanswered.

Once your item is delivered and everything is OK please leave me positive feedback. As soon as I know everything is OK with the buyer I'll leave feedback as well.