PROJECT 91 | A numbered legacy, reborn. Project 91 is a remarkable collection of 91 limited-edition Martin guitars, each one faithfully tied to a specific pre-war D-45 serial number. Crafted in the spirit of Martin’s golden era, these instruments honor the sound, craftsmanship, and history that define the D-45’s place among the world’s most revered guitars. From the earlier 12-fret designs to unique builds featuring wider bodies, double pickguards, a rare shade top, and even a left-handed model, each guitar reflects the era it represents—reimagined by today’s finest builders. Though the originals may be scattered across time, their stories live on through Project 91—and now, through you.

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Project 91: A Numbered Legacy Lives On

Every legend has a lineage. In this video, Martin experts and craftspeople reveal the story behind Project 91—a historic endeavor connecting 91 new instruments to their original pre-war D-45 serial numbers. From uncovering the history behind these rare guitars to reimagining them for today’s players, hear from Chris Martin IV, Jason Ahner, Dick Boak, Tim Teel, and Michael Dickinson as they share how design, craftsmanship, and rare tonewoods bridge past and present, inspiring a new generation of Martin masterpieces.