Humpback Whale Pendant & Necklace, Isle of Man One Crown Hand Cut Coin This One Crown Isle Of Man coin was minted only in 1998. 1998 was the International Year of the Ocean. This coin featured a Humpback Whale Sounding into the Ocean. It has been a favorite at the Art shows I do with my Whale customers. It is plated in 14 Karat Gold & Rhodium and is Guaranteed for life.