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This 4.2 lb Gibson will ship insured, fully setup, and inspected from our Rapid City, SD location.

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The Gibson Custom Shop 1936 Advanced Jumbo Murphy Lab Heavy Aged revives a rare pre-war classic with striking vintage tone, character, and craftsmanship — reimagined with era-authentic detailing and historic playability. Originally produced in extremely limited numbers between 1936 and 1939, the Advanced Jumbo was known for its robust voice and refined construction. Today, this historically significant model is reintroduced through the Gibson Acoustic Custom Shop in Bozeman, Montana, offering a faithful recreation of one of the most coveted acoustics ever built.

At the heart of its rich tone lies a thermally aged Adirondack red spruce top, paired with solid rosewood back and sides for a broad dynamic range and deep, resonant warmth. The hand-scalloped Advanced X-bracing, made from red spruce and set with hot hide glue, contributes to the guitar’s wide projection and incredible responsiveness. The Murphy Lab’s Heavy Aged nitrocellulose lacquer simulates the aesthetic of a well-worn, road-tested original, showcasing heavy lacquer checking, subtle armwear, and vintage patina across every inch.

The neck features the classic Historic AJ profile, crafted from mahogany with a compound dovetail joint and topped with a rosewood fingerboard adorned with mother-of-pearl Diamonds and Arrows inlays. Its 25.5" scale length and 12" radius ensure a powerful, articulate feel across all 19 frets. Other vintage-correct appointments include Waverly open-gear tuners, bone nut and saddle, and a rectangular open-slot bridge for maximum tonal transfer.

With timeless tone, handcrafted heritage, and Heavy Aging by Murphy Lab artisans, this instrument captures the soul of the Golden Era. It includes a period-correct Gibson hardshell case and accessory kit, and is available now at Haggerty’s Music.

Features / Specs

Highlights

• Orientation: Right-Handed
• Electronics: None
• Bracing: Traditional Hand-Scalloped Advanced X-Bracing (Red Spruce, Hide Glue)
• Cutaway: None

Body

• Body Shape: Advanced Jumbo (Round Shoulder)
• Top Material: Thermally Aged Adirondack Red Spruce
• Top Finish: Murphy Lab Heavy Aged Nitrocellulose (VOS)
• Top Color: Vintage Sunburst
• Back & Sides Material: Solid Rosewood
• Back Configuration: 2-Piece
• Back & Sides Finish: Murphy Lab Heavy Aged Nitrocellulose
• Bracing: Traditional Hand-Scalloped Advanced X-Bracing (Red Spruce, Hide Glue)
• Binding Material: Single-Ply Top and Back
• Rosette: Multi-Ring Traditional

Neck

• Neck Profile: Historic AJ
• Neck Material: Mahogany
• Neck Taper: Standard Historic
• Neck Depth: 0.944” at 1st Fret, 1.052” at 9th Fret
• Scale Length: 25.5”
• Nut Width: 1.724”
• Fingerboard Material: Rosewood
• Fingerboard Inlay: Mother-of-Pearl Diamonds and Arrows
• Fingerboard Binding: None
• Fingerboard Radius: 12”
• Neck Finish: Murphy Lab Heavy Aged Nitrocellulose
• Neck Joint: Compound Dovetail
• Headstock: Gibson Vintage Tapered Open Book
• Headstock Binding: None
• Headplate Inlay: Mother-of-Pearl Gibson Logo
• Headplate Finish: Aged Gloss Nitrocellulose

Hardware

• Bridge Style: Rectangular Open-Slot
• Bridge Material: Rosewood
• Bridge Pins: Bone
• Saddle: Bone
• Nut Material: Bone
• Tuners: Waverly Open-Gear
• Pickguard: AJ Style (Striped)

Miscellaneous

• Electronics: None
• Strings: .012, .016, .024, .032, .042, .053
• Case/Gig Bag: Hardshell Case
• Serial Number: 20615015
• Manufacture Date: 2025