"This early Martin features elaborate pearl inlay on the back and sides in addition to the vine on the headstock, fingerboard, and pickguard. These appointments were not standard on the OO-42 guitars, and three ""Special"" versions, including this one, were made sequentially in 1901. Martin historian Mike Longworth identifies these guitars as the predecessors to the Style 45 models introduced in 1904. Estimate $24,000 - $35,000."