height and width: 45.1mm, 33.4 cm (1 3/4 x 13 1/8 in.)
Reverse below scene: "PATENT APPLIED FOR"
Aluminum struck oval medal with obverse showing front right facing hatted bust-length portrait of Colmbus; legend: "WORLD'S/ COLUMBIAN/ FAIR/ 1492 1892/ CHICAGO, U.S." Obverse shows mining scene; legend: "THE MINERS' ROCKEY MOUNTAINS BONANZA". Slot and hole punched at top.
Gift of the Naval History Society, 1925
Due to ongoing research, information about this object is subject to change.