When Phillip Masters was doing research in a library in Sevile, Spain, he found the record of the sinking of the Spanish trading ship Our Lady of the Pillar off the Pacific island of Guam on June 2, 1960. ..... They include 36 Spanish silver coins made in Mexico, Peru and Bolivia before 1960, the year the ship sank.
――早稲田大学(教育学部)――2002年