Portuguese colonial coins represent one of the most extensive and historically significant areas of Portuguese numismatics, reflecting over five centuries of overseas expansion. From the earliest issues produced for territories reached during the fifteenth and sixteenth‑century maritime explorations to the series minted under the Republican administration, these coins document the economic, administrative and cultural evolution of the Portuguese Empire. They include the monetary systems created for Angola, Mozambique, Portuguese India, Macau, Guinea, Cape Verde, Timor and São Tomé and Príncipe, each shaped by local needs, monetary reforms and political transitions. This group forms a rich numismatic heritage characterized by diverse denominations, distinct iconography and varied production standards that illustrate how Portuguese coinage adapted to different colonial contexts.