This striking 30-cent stamp from the United States (Series of 1923) features the iconic American bison, engraved in rich brown and modeled after the famed western buffalo imagery used in early U.S. art and coinage. Part of the Fourth Bureau Issue, it represents classic American engraving with deep shading and strong line work. The design reflects the nation’s fascination with the frontier and conservation themes after the bison’s near-extinction. Printed by flat-plate methods, it remains a favorite among collectors for its bold aesthetic and rugged symbolism. Your used example shows a crisp impression with visible circular cancellation traces, enhancing its period charm.