Rare 1970 Gibson B-20 Natural Acoustic Guitar

1970 Gibson B-20 Natural Acoustic Guitar – Rare Kalamazoo Model, Serial 680245, Original Case

For sale is a rare 1970 Gibson B-20 in natural finish, serial number 680245, made in Kalamazoo, Michigan. These small-body acoustics were produced in very limited numbers (roughly 500 total, mostly 1971–72 with some 1970 overlap), making them a cool and collectible early Norlin-era piece.

Key Specs & Construction:

• Solid spruce top (straight grain, nice tone potential)
• Mahogany back and laminated mahogany sides
• Rosewood fretboard and bridge
• Grover "Pat. Pend." tuners
• Original black pickguard and dark rosewood bridge
• Small concert/parlor-style body (approx. 14.5" lower bout) with surprising projection for its size
• Includes the original black hardshell case with yellow piping

This guitar is structurally very solid — no cracks, no breaks, no loose braces, and all binding is intact. The finish shows honest vintage play wear: some light scratches, dings, and checking consistent with a 55+ year-old instrument, but nothing major. The top, back, and sides look rich in natural light, and the mahogany back has beautiful grain.

Playability Note: The neck angle has settled over the decades (very common on vintage acoustics), resulting in higher-than-ideal action. It plays but would benefit greatly from a professional neck reset + setup (Had new nut installed professionally). Once reset, these B-20s are known for a full, warm tone with good bass response from the solid spruce top — many players call them sleepers for fingerstyle or recording.

This is a great opportunity for someone who appreciates rare vintage Gibsons or wants a unique small-body acoustic. After a reset it will be a fun, responsive player or a solid collector piece.

Shipping: I'll pack it carefully in the original case with plenty of protection. Ships from Perkasie, PA. Local pickup available.

Feel free to message with any questions or requests for additional photos/video. Thanks for looking!