1888 Ohio Valley and Central States Centennial Exposition. White Metal. 38.5 mm. HK-Unlisted. Proof.Obv: Standing figure with rifle within wreath, inscription AWARDED FOR / EXCELLENCE BY above and below, date at bottom. Additional inscription THE CENTENNIAL EXPOSITION OF THE OHIO VALLEY AND CENTRAL STATES AT CIN. OHIO around the periphery. Rev: View of exposition building, no inscriptions. This is a lovely example, virtually Choice, with iridescent steel gray and olive-russet patina to both sides. Direct lighting reveals considerable reflectivity in the fields that contrasts markedly with frosty design elements. Rare.Cardboard 2x2 with collector notes included.