Martin D-45 1937 Project 91-5 Guitar image number 0
Back of Martin D-45 1937 Project 91-5 Guitar image number 1
Back of Martin D-45 1937 Project 91-5 Guitar image number 2
Back of Martin D-45 1937 Project 91-5 Guitar image number 3
Body of Martin D-45 1937 Project 91-5 Guitar image number 4
Headstock & Neck of Martin D-45 1937 Project 91-5 Guitar image number 5
Project '91 Certificate of Authenticity Example image number 6
Project '91 Commemorative Poster Example image number 7
Martin D-45 1937 Project 91-5 Guitar image number 1
Back of Martin D-45 1937 Project 91-5 Guitar image number 2
Back of Martin D-45 1937 Project 91-5 Guitar image number 3
Back of Martin D-45 1937 Project 91-5 Guitar image number 4
Body of Martin D-45 1937 Project 91-5 Guitar image number 5
Headstock & Neck of Martin D-45 1937 Project 91-5 Guitar image number 6
Project '91 Certificate of Authenticity Example image number 7
Project '91 Commemorative Poster Example image number 8
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Each of the 91 limited-edition Project 91 guitars is a direct descendant of an original pre-war D-45, carrying forward its legacy, craftsmanship, and golden-era tone. Explore the details to learn more about this unique model.

Specifications
What's Included
Description
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Description

This extraordinary collection brings to life 91 limited-edition Martin guitars, each one a direct descendant of an original pre-war D-45—among the most coveted acoustic guitars ever made. Individually linked to its historical counterpart by serial number, every instrument carries forward the legacy and spirit of the guitar that came before it. With tone, craftsmanship, and detail that echo Martin’s golden era, each model stands as a tribute to the artistry and tradition that continue to shape the sound of music—and now, it can live on through you. 

When you register this guitar, you’ll receive a beautiful framed poster featuring your unique serial number and its connection to the original D-45—forever tying you to Martin’s storied history. 

View the full specs to learn more about this remarkable model and its connection to Martin’s storied past. 

Specifications

Highlights

D-14 Fret (1937) body size
Brazilian Rosewood back and sides
Adirondack Spruce with VTS top with Natural top color
Period Correct Barrel & Heel with Standard Taper neck
1 3/4" (1.750) fingerboard width at nut
5 Ply D-14F Harptone case
Recommended Strings: Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Top Material: Adirondack Spruce with VTS
Finish Top: Gloss
Top Color: Natural
Top Inlay Material: Solid Abalone with Multi-Stripe
Top Detail: None
Binding: Grained Ivoroid
Bridge Material: Ebony
Bridge Style: Period Correct Belly Style
Bridge String Spacing: 2 5/16''
Bridge Pin Material: Faux Ivory
Bridge Pin Dots: 4.8mm Abalone
Pickguard: Underfinish Faux Tortoise (Qty. 2)
Pickguard Inlay: None
Rosette: Period Correct Solid Abalone 45 Style
Saddle: Period Correct Non-Compensated Long Bone
Saddle Radius: 16"
Body Size: D-14 Fret (1937)
Construction: Dovetail Neck Joint
Back Material: Brazilian Rosewood
Side Material: Brazilian Rosewood
Back and Side Finish: Thin Finish Gloss
Back and Sides Color: Natural
Back Detail: None
Side Detail: None
Back Purfling/Strip: Style 45 Golden Era
Back Inlay Material: Solid Abalone with Multi-Stripe
Side Inlay Material: Solid Abalone with Multi-Stripe
Bracing Pattern: Forward-Shifted X-Brace
Brace Shape: Period Correct Hand Shaped Scalloped
Brace Material: Adirondack Spruce with VTS
Brace Size: 5/16"
Heelcap: Grained Ivoroid
Endpiece: Grained Ivoroid
Endpiece Inlay: Solid Abalone with Multi-Stripe
Neck Shape: Period Correct Barrel & Heel
Neck Taper: Standard Taper
Neck Material: Genuine Mahogany
Neck Color: Dark Mahogany
Finish Neck: Gloss
Scale Length: 25.4"
Number of Frets Total: 20
Neck Joins Body At: 14th Fret
Fingerboard Material: Ebony
Fingerboard Width at 12th Fret: 2 1/4" (2.250)
Fingerboard Width at Nut: 1 3/4" (1.750)
Fingerboard Inlay Style: Period Correct Solid Abalone 45 Snowflake
Fingerboard Inlay Material: Multi-Stripe
Fingerboard Binding Material: Grained Ivoroid
Side Dots: Faux Tortoise
Headstock Shape: Period Correct Solid/6 String Diamond
Headplate Material: Brazilian Rosewood
Headplate Logo Style: Period Correct Solid Abalone CFM Block
Headplate Binding Material: Grained Ivoroid and Solid Abalone with Multi-Stripe
Tuning Machines: Waverly Gold
Knob: Waverly Gold Non-Engraved Butter Bean
Nut Material: Bone
Case: 5 Ply D-14F Harptone
Label: Certificate of Authenticity- #5 SN: 65265
Electronics: None

What's Included

D-45 1937 Project 91-5
Custom & Special Editions, D-14 Fret, Acoustic
Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Pre-strung on instrument

At A Glance

Body Shape & Volume

D-14 Fret (1937)

Neck Shape

Period Correct Barrel & Heel

NEW FOR 2026

D-45 1937 Project 91-5

D-45 1937 Project 91-5

Custom & Special Editions, D-14 Fret, Acoustic

$150,000.00
3.2 out of 5 Customer Rating

Available to purchase at Thunder Road Guitars in Seattle, Washington or Portland, Oregon.

Each of the 91 limited-edition Project 91 guitars is a direct descendant of an original pre-war D-45, carrying forward its legacy, craftsmanship, and golden-era tone. Explore the details to learn more about this unique model.

D-45 1937 Project 91-5

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What's Included
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