ST. PETERSBURG — The pirate Jose Gaspar is widely thought to be a myth, yet a South Florida woman claims to be his great-great-great-granddaughter. A Sarasota treasure hunter has led a team on the search for his booty for the past decade. And since September, a St. Petersburg jewelry shop has been selling coins that were allegedly stashed in one of Gaspar’s buried chests. So, wait, was the .