The Turks and Caicos Islands are a British Overseas Territory consisting of the larger Caicos Islands and smaller Turks Islands. The population is about 31,000, of whom 23,000 live on Providenciales, the largest island in the archipelago.
Chalk Sound is a scenic turquoise lagoon on the southwest of Providenciales Island. It comprises hundreds of small rocky islands in shallow brilliant turquoise water.
Part of a set of four stamps, Orchids of the Caribbean (2014)