Rare Gibson MK?53 “Mark Series” Acoustic Guitar – 1978 – Solid Spruce Top / Maple Back & Sides

Description / History

This 1978 Gibson MK-53 is a rare and innovative acoustic from Gibson’s experimental Mark Series, produced between 1975 and 1978. These guitars were the result of a collaboration between Gibson and Dr. Michael Kasha, a scientist focused on improving acoustic guitar design, along with luthier Richard Schneider.

The MK series was Gibson’s attempt to reinvent the flat-top acoustic using scientific principles. The result was a line of guitars with unconventional bracing, bridge placement, and internal architecture, all aimed at improving tone, sustain, and projection. While the line was not a commercial success at the time, it has since become a cult favorite among collectors and players who appreciate its bold design and warm, articulate sound.

Only about 1,400 MK-53s were produced, making this model one of the rarest and most desirable in the Mark Series. With its unique construction, solid tonewoods, and player-focused design, the MK-53 stands apart from traditional dreadnoughts in both look and tone.

About Gibson

Gibson has been a cornerstone of American guitar craftsmanship since 1894. Known for their iconic electric and acoustic instruments, Gibson has always maintained a strong tradition of innovation. The 1970s were a particularly experimental period for the company, with the MK series representing one of their boldest attempts to break from acoustic tradition and explore scientifically-driven design.

Notable Specs – Gibson MK-53 (1978)

• Top: Solid spruce

• Back & Sides: Solid maple

• Neck: Maple

• Fretboard: Rosewood, 20 frets, dot inlays

• Scale Length: Approx. 25.5"

• Bracing: Modified fan-pattern (Kasha-style), designed to optimize resonance and volume

• Bridge: Asymmetrical rosewood bridge (Kasha design)

• Body Shape: Sculpted dreadnought with narrower waist and wider lower bout for improved comfort and projection

• Binding: Multi-layered top and back binding, with distinctive red accent strip in some models

• Finish: Natural or sunburst (depending on your guitar)

• Tuners: Nickel-plated enclosed tuners

• Other Features: Unique soundhole cap (instead of traditional rosette), sculpted heel, distinctive bridge design

Condition Notes (example)

• Excellent vintage condition with typical signs of age (light checking, minor cosmetic dings). All cracks show in photos are in the clear coat of the guitar and has no wood cracks. 

• Neck is straight, truss rod functions as intended

• Action is comfortable with good playability up the neck. Minor belly bulge on the bridge.

• All original parts; no breaks, cracks, or major repairs

• Comes with original hard shell case

• Serial number confirms 1978 production

Why This Guitar Stands Out

The MK-53 is not just another vintage Gibson—it’s a rare piece of the company’s most experimental era. Its unique bracing and design features result in a sound that is warm, balanced, and incredibly responsive. Whether you're a collector, studio player, or gigging musician, this guitar offers something truly different both tonally and visually.