diameter: 3 in. ( 7.6 cm )
Inscription: edge, lower center: "1980 MEDALLIC ART CO. - DANBURY, CT. - BRONZE"
Bronze struck medal with obverse showing clothed bust of William Grace facing three quarters to left with legend: "WILLIAM RUSSELL GRACE"; oval medallion beneath with inscription: "100TH Anniversary/1880-1980," flanked by banners inscribed: "MAYOR OF NEW YORK/1880-82/1884-86." Reverse depicts modern Grace building at right with fragment of nineteenth-century building elevation inscribed above: "GRACE & COMPANY"; seal of New York below; legend above: "W.R. GRACE & CO."; date in exergue: "FOUNDED 1854."
Due to ongoing research, information about this object is subject to change.