CHAIN IS NOT INCLUDED Available in Solid 14K Yellow or White Gold, or in Sterling Silver Size Reference: 17mm is the size of a US dime 21mm is the size of a US nickel 24mm is the size of a US quarter Saint Joseph of Cupertino (Italian: San Giuseppe da Copertino), (June 17, 1603 September 18, 1663) is an Italian saint. He was said to have been remarkably unclever, but prone to miraculous levitation and intense ecstatic visions that left him gaping. In turn, he is recognized as the patron saint of air travelers, aviators, astronauts, people with a mental handicap, test takers, and weak students. He was canonized in the year 1767.