Nickel brass coin, 50 centavos 1951 from São Tomé and Príncipe, a former Portuguese colony, listed as World Coins Saint Thomas & Prince Island KM#10. It was created by decree nº 38203 of March 13, 1951, 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.

Silver 2.50 escudos coin issued in 1951 for the former Portuguese colony of São Tomé and Príncipe. Listed under group 16.01 of the Alberto Gomes catalog, this VF+ example is valued for its colonial iconography, historical relevance and importance within Portuguese overseas numismatics.

50 centavos coin from 1948 in alpaca, from São Tomé and Príncipe, a former Portuguese colony, with design and engraving by Marcelino Norte de Almeida, minted at the Lisbon Mint in an alpaca alloy (Cu 610, Zn 200, Ni 190). It had a very limited mintage of only 80,000 pieces and was created by Decree No. 36,788 of March 11, 1948, to circulate in the then Portuguese colony of São Tomé and Príncipe. It is referenced in the international World Coins catalogue as Saint Thomas & Prince Island, KM#8.

Portugal, copper coin of XX Réis 1870 of D. Luis I, 20 Réis or Vintém of 1870, World Coins Portugal KM#515. This being the rarest date in the series of 20 réis copper coins from the reign of D. Luis I, a coin minted to circulate in the kingdom of Portugal and also authorized to circulate by Ordinance of April 9, 1867, in the former colony of São Tomé and Príncipe. D. Luis I who reigned Portugal from 1861 until his death in 1889, born in 1838, nicknamed "The Popular" was the thirty-third King of Portugal.