Martin D-28 Authentic 1937 Aged Limited Edition Madagascar Rosewood and Adirondack VTS. Here is one of the 50 Limited Edition ‘Aged’ 1937 Authentics, built the same as the standard D-28 1937 with Premium Madagascar Rosewood and an Adirondack Red Spruce soundboard,  Red Spruce forward shifted hand-scalloped X-bracing and a 1 3/4" neck width. In barely used condition.  Just a fantastic guitar all round. Here below the detailed specs from the Martin site: 
MODEL: Martin D-28 Authentic 1937 Aged
CONSTRUCTION: Dovetail Neck Joint – Hide Glue Construction
BODY SIZE: D-14 Fret
TOP MATERIAL: Aged Adirondack Spruce with VTS
ROSETTE: Multi-Stripe
BRACING PATTERN: Authentic 1937 Forward Shifted X Brace
BRACE SHAPE: Scalloped
BRACE MATERIAL: Aged Adirondack Spruce with VTS
BRACE SIZE: 5/16″
BACK & SIDES: Aged Madagascar Rosewood
BACK PURFLING/STRIP: Zig-Zag Authentic
SIDE MATERIAL: Madagascar Rosewood
ENDPIECE: Antique White
ENDPIECE INLAY: Multi-Stripe
BINDING: Antique White
TOP INLAY MATERIAL: Bold Herringbone
BACK INLAY MATERIAL: Multi-Stripe
NECK MATERIAL: Genuine Mahogany
NECK SHAPE: Authentic 1937
NUT MATERIAL: Bone
HEADSTOCK SHAPE: Solid with 1937 Taper and Diamond
HEADPLATE MATERIAL: Aged Madagascar Rosewood
HEADPLATE LOGO STYLE: Script Golden Era Overlay
HEELCAP: Antique White
SCALE LENGTH: 650mm /  25.4″
NECK JOINS BODY AT: 14th Fret
NUMBER OF FRETS TOTAL: 20
FINGERBOARD WIDTH AT NUT: 44,5mm / 1-3/4”
FINGERBOARD WIDTH AT 12TH FRET: 2-1/4”
FINGERBOARD INLAY MATERIAL: Abalone
FINGERBOARD INLAY STYLE: 1937 Diamonds and Squares Long Pattern
SIDE DOTS: Grained Ivoroid
BACK & SIDES FINISH: Vintage Gloss – Aged
FINISH TOP: Vintage Gloss – Aged
TOP COLOR: Modified Vintage Toner
FINISH NECK: Aged Vintage Gloss
NECK COLOR: Dark Mahogany
BRIDGE MATERIAL: Ebony
BRIDGE STYLE: Authentic Belly – Glue in Long Saddle – Aged
BRIDGE STRING SPACING: 2-5/16″
SADDLE: Bone
SADDLE RADIUS: 16”
TUNING MACHINES: Aged Waverly Nickel Open Back
KNOB: Butterbean
BRIDGE PIN MATERIAL: Faux Ivory – Aged
BRIDGE PIN DOTS: Black Plastic
PICKGUARD: Faux Tortoise – Aged
CASE: Martin 545V Harptone Hardshell
PICKUP SYSTEM: Optional
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