Puerto Rico has no monetary authority and issues no official coinage — this is almost certainly a privately minted commemorative, likely part of a regional or municipal series honoring the Peñuelas municipality on the island's southern coast. Such pieces proliferated in Latin America and its territories during the 2000s, produced by private mints and sold as collector items with no legal tender status anywhere.
Puerto Rico has no monetary authority and issues no official coinage — this is almost certainly a privately minted commemorative, likely part of a regional or municipal series honoring the Peñuelas municipality on the island's southern coast. Such pieces proliferated in Latin America and its territories during the 2000s, produced by private mints and sold as collector items with no legal tender status anywhere.