diameter: 1 5/16 in. ( 3.4 cm )
Bronze struck medal with obverse bearing inscription within laurel wreath: "FOR/GALLANTRY/ AND HUMANITY/DEC. 1846." Reverse with inscription in a plain field: "THE/TREASURY DEPARTMENT/OF THE UNITED STATES/COAST SURVEY/TO"; space for engraving below.
Due to ongoing research, information about this object is subject to change.