1970 Guild D-40
Peak Westerly-era D-40 — Guild's mahogany dreadnought at consistent production quality. The singer-songwriter boom of the early 1970s made this an in-demand instrument.
Current Market Value
* Prices are estimates based on recent market data. Actual value depends on originality, condition, and provenance. Pricing methodology
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Specifications
| Body Wood | Spruce top, Mahogany back and sides |
| Neck Wood | Mahogany |
| Fingerboard | Rosewood |
| Scale Length | 25.625" |
| Frets | 20 |
| Pickup Config | None |
| Bridge | Rosewood belly bridge with bone saddle |
| Tuners | Grover Rotomatic |
| Finish Options | Natural Spruce Top, Sunburst |
| Est. Production | 400 |
Pickups & Electronics
Acoustic — no pickups.
What Changed in 1970
Peak Westerly factory era for the D-40. The mahogany dreadnought is now well-established as Guild's workhorse acoustic. Singer-songwriter boom is driving strong demand.
Collector's Notes
Early 1970s D-40s are excellent player instruments with growing collector recognition. Mahogany body ages well tonally — these instruments often sound better today than when new.
How to Authenticate a 1970 Guild D-40
Guild maintained excellent serial number records — verify the number on the neck block or interior label against Guild tables for 1970. Early Westerly, RI production. Mahogany back and sides with spruce top. Mahogany-body dreadnought (Guild's equivalent to Martin D-18). Simpler appointments than D-55. Distinctive Guild arched-back construction. Check Guild headstock logo and chesterfield inlay — style changed over decades. Verify bridge is original, check for top cracks, neck angle, and structural integrity. Tuners should be Grover Rotomatic. Finish should be nitrocellulose lacquer with natural wear. Original case adds value.