Doubloons are a aluminum token that is thrown out to the public during a Mardi Gras parade ceremony
they are also tossed from buildings into crowds at Mardi Gras time in New Orleans, they also do this in
Mississippi. there is a collector club called the Crescent city doubloon traders located in Metairie Louisiana
along with doubloons being tossed into the crowd they also throw beaded necklaces,candy and other tokens