Martin Custom Shop D-18The Custom Shop D 18 brings top shelf tonewoods and handcrafted Martin quality within easy reach. Built with solid genuine mahogany and an Adirondack spruce top, it delivers clear, punchy tone with powerful projectionperfect for flatpicking, strumming, and everything in between. Hand shaped Golden Era scalloped forward shifted bracing and a traditional dovetail neck joint give it vintage inspired resonance and dynamic response, while faux tortoise