The Portugal 2 reis 1901 triangle revenue stamp is a used fiscal stamp from the early 20th century. This red stamp, featuring Portugal's national emblem, was issued in Portugal and its colonies during the specified period. Despite being ungraded and uncertified, this stamp adds historical value to any stamp collection, showcasing a piece of European postal history from a specific era. Its unique triangle shape and pen cancel cancellation make it a distinctive and sought-after item for collectors interested in Portuguese stamps.