Martin D-18
by Robert Bullock
(Corbin, KY USA)
serial number 232458
original and in the original case.
The pickguard is curled up slightly around the edges.
ANSWER
Hi, Robert--
Beautiful guitar!
The serial number indicates that your guitar was manufactured in early 1967.
Here is the Blue Book general info:
D-18
- dreadnought body style, solid spruce top, mahogany back and sides, round soundhole with three-stripe purfling/rosette, five-ply top binding, one-ply back binding with rosewood (1932-36), tortoise (1936-1966), or black (1966-present) outer layer, 12/19-fret (1932-34) or 14/20-fret (1934-present), ebony fingerboard (1932-1947) or rosewood fingerboard (1947-present) with pearl dot inlays, three-per-side chrome tuners, ebony bridge (1932-1947) or rosewood bridge (1947-present) with black white dot pins, tortoise (1936-1966) or black (1966-present) pickguard, available in Natural or Sunburst (optional) finish, 25.4 in. scale, mfg. 1932-present.
Here is the pricing info:
1966-1967
Excellent $2,900 - 3,500
Average $1,800 - 2,200
Best Wishes,
Lynne