diameter: 1 3/8 in. ( 3.5 cm )
Copper struck medal with obverse showing sailing ship at center with legend: "IN COMMEMORATION OF THE HUDSON-FULTON CELEBRATION/THE HALF MOON/1609 1909." Reverse shows steamboat navigating a river with trees in background; legend: "NEW TOWN SEPT 25TH TO OCT 9TH/FULTON'S S.S. CLERMONT"; date below image, at center: "1807 - 1909."
Due to ongoing research, information about this object is subject to change.