diameter: 32mm (1 1/4 in.)
Reverse at bottom: "COPYRIGHTED APRIL 5.09 PAT. APPLIED FOR".
Gold struck medal with obverse showing showing sailing ship at sea; legend: "1609- HUDSON* FULTON-1807/ *1909* ". Reverse shows steamship at sea; legend: "TER-CENTENARY/ CELEBRATION".
Gift of the Naval History Society, 1925
Due to ongoing research, information about this object is subject to change.