Martin’s "Golden Era" of dreadnought guitars is prized for their rich tone, color and expressiveness. The HD-28, has a forwarded-shifted, scalloped X-bracing pattern. This “Golden Era” bracing pattern gave the Martin dreadnought guitars a very unique and identifiable tone. Highly prized for the clarity on the high end, and punchy, defined bass, musicians and collectors soon realized that these instruments were unique and highly collectible. No other acoustic guitar had the Martin tone. Features a diamonds and squares fingerboard inlay pattern, with an aged toner top, antique wide binding, and the vintage “Golden Era” bracing pattern. Serial number is 1309561.