diameter: 1 3/8 in. ( 3.5 cm )
Inscription: obverse, at lower left of field: "MURDOCK"
Inscription: obverse, at lower right of field: "CINCINNATI"
Aluminum struck medal with obverse showing world globe with inscription at left: "CHICAGO"; inscription around border: "WORLD'S COLUMBIA EXPOSITION/CHICAGO, ILLS. 1893." Reverse bears inscription within central space surrounded by laurel wreath: "ILLINOIS/PURE/ALUMINUM/COMPANY."
Due to ongoing research, information about this object is subject to change.