Guinea-Bissau, silver coin of 20 Escudos 1952, 20$00 1952 Former Portuguese colony, World Coins Portuguese Guinea KM#11, coin created by Decree 38585 of December 29, 1951. Portuguese Guinea, later elevated to Overseas Province of Guinea on June 11, 1951 and, finally, State of Guinea in 1972) was the current Guinea-Bissau as a Portuguese colony between 1446 and September 10, 1974. With the Portuguese coup d'état on April 25, 1974, Portugal began negotiations with the PAIGC for decolonization and on September 10, 1974 it became an independent state with the name Guinea-Bissau.

Bronze 20 Centavos coin issued in 1933 for Portuguese Guinea, reflecting the classical colonial minting style of the Portuguese Republic. This VF+ example shows moderate wear while retaining clear details of the Republic’s portrait, belonging to the limited‑circulation bronze issues of the early 1930s.

Guinea-Bissau, silver coin of 10 Escudos 1952, 10$00 1952 Former Portuguese colony, World Coins Portuguese Guinea KM#10, coin created by Decree 38585 of December 29, 1951. Portuguese Guinea, later elevated to Overseas Province of Guinea on June 11, 1951 and, finally, State of Guinea in 1972) was the current Guinea-Bissau as a Portuguese colony between 1446 and September 10, 1974. With the Portuguese coup d'état on April 25, 1974, Portugal began negotiations with the PAIGC for decolonization and on September 10, 1974 it became an independent state with the name Guinea-Bissau.

Uganda 10 Shillings 1987 Copper-nickel, World Coins Uganda KM#30

Saint Thomas & Prince, Copper-nickel coin 10 escudos 1971, 10$00 escudos 1971, Former Portuguese Colony, Saint Thomas & Prince Island KM#23. It was created by Decree No. 458/70 of October 3, 1970, and intended for circulation in the then-colony of São Tomé and Príncipe, part of Portuguese Africa. The islands of São Tomé and Príncipe remained uninhabited until they were discovered by the Portuguese explorers João de Santarém and Pedro Escobar in 1470. Gradually colonized by the Portuguese throughout the 16th century, they became an important trading center within the Atlantic trade network. São Tomé and Príncipe achieved independence in 1975.

Angola, copper-nickel coin 20 centavos 1928 or 4 Macutas 1928 Former Portuguese colony of Angola, World Coins Angola KM#68. Coin of 4 Macutas equivalent to 20 centavos was created by Decree 12124 of 14 August 1926 to circulate in the Former Portuguese Colony of Angola, was issued with coins with the eras of 1927 and 1928 minted in alpaca alloy (Cu 610 - Zn 200 - Ni 190).