This is a 1999 Martin Size 5 Terz Mini Martin with original case.

Full specs are as follows:

MODEL Size 5 Mini Martin
CONSTRUCTION: Mahogany Blocks/Dovetail Neck Joint
BODY SIZE: Size 5/Terz 12-Fret
TOP: Solid Sitka Spruce
ROSETTE: Style 45
TOP BRACING PATTERN: Standard ''X''
TOP BRACES: Solid Sitka Spruce 1/4''
BACK MATERIAL: Solid East Indian Rosewood
BACK PURFLING: HD Zig-Zag
SIDE MATERIAL: Solid East Indian Rosewood
ENDPIECE: Grained Ivoroid
ENDPIECE INLAY: Black/White Boltaron
BINDING: Grained Ivoroid
TOP INLAY STYLE: Fine Herringbone
SIDE INLAY: none
BACK INLAY: Black/White Boltaron
NECK MATERIAL: Select Hardwood
NECK SHAPE: Slight V
NUT MATERIAL: Bone
HEADSTOCK: Solid/Diamond/SquareTaper
HEADPLATE: Solid East Indian Rosewood /Large Old Style
HEELCAP: Grained Ivoroid
FINGERBOARD MATERIAL: Solid Black Ebony
SCALE LENGTH: 21.4''
# OF FRETS CLEAR: 12
# OF FRETS TOTAL: 18
FINGERBOARD WIDTH AT NUT: 1-5/8''
FINGERBOARD WIDTH AT 12TH FRET: 2-1/16''
FINGERBOARD POSITION INLAYS: Diamonds & Squares - Long Pattern
FINGERBOARD BINDING: none
FINISH BACK & SIDES: Polished Gloss
FINISH TOP: Polished Gloss w/ Vintage Toner
FINISH NECK: Satin
BRIDGE MATERIAL: Solid Black Ebony
BRIDGE STYLE: Size 5 w/ Long Saddle
BRIDGE STRING SPACING: 2-1/8''
SADDLE: 16'' Radius/Bone
TUNING MACHINES: Waverly Nickel w/ Butterbean Knobs
RECOMMENDED STRINGS: Martin Studio Performance Custom Light Gauge Phosphor Bronze (MSP 4050)
BRIDGE & END PINS: White w/ Tortoise Colored Dots
PICKGUARD: none
CASE: 318DB Geib style

Approximate body dimensions: upper bout 8”, lower bout 11”, maximum depth 3 ¾”, body length 15 ¾”, total length 34”.

This guitar is in excellent shape with some minor handling marks here with no other issues.