Obv. Robust nude man and woman stand in sea. Mankind joined by Divine Difference. Rev. Expo towers, palms and Medal Of Award with no name. 1915 Gold Plated Bronze Medal of Award; 70 mm; 133.8 gms.These were awarded as the top prize for many of the products or exhibits.Designed by John Flanagan. The obverse bears an ambitious composition of two nudes representing the joining of the Atlantic and Pacific Oceans at the Isthmus of Panama. The reverse presents a detailed architectural rendering of Thomas Hastings's Tower of Jewels behind Alexander Stirling Calder's 'Fountain of Energy.'