The Yamaha FG-351SB (1977–1981) is a vintage, Japanese-made, "Hummingbird-style" dreadnought acoustic guitar. It is known for its distinctive cherry sunburst finish, spruce top, mahogany back and sides, and ornate engraved pickguard. It is highly regarded for its warm, balanced tone and robust, high-quality build from Yamaha's classic era.Key Features & Specifications:Body Style: Square-shouldered Dreadnought ("Jumbo" in some catalogs).Finish: Sunburst (often Cherry Sunburst).Top Material: Laminated Material: Laminated Mahogany.Neck Material: Mahogany.Fretboard: Indian Rosewood with 20 frets.Headstock: Often features a dove inlay (depending on year/version).Pickguard: Engraved "Hummingbird" style floral pattern.Bridge: Rosewood.Tuning Machines: Chrome-plated.Production Era: Approx. 1977-1981 (Taiwan/Japan).