Montserrat, a British Overseas Territory, formerly issued stamps concurrently with the Leeward Islands until they were withdrawn in 1956. However, the first Montserrat issue, in 1876, used the 1d. red and 6d. green stamps of Antigua overprinted MONTSERRAT.
Montserrat is a mountainous Caribbean island, part of the Lesser Antilles chain and a British Overseas Territory. Its Soufrière Hills volcano erupted in the 1990s, causing significant damage to the south of the island and leading to the creation of an exclusion zone. The north of the island is largely unaffected, and has black-sand beaches, coral reefs, cliffs and shoreline caves.