1960 AD, Portugal, Republic, Lisbon mint, 50 Centavos, KM 577.

Portugal, Republic, engraver: Alves do Rego and José Simões de Almeida (signed SIMOES - RЄGO GR), Casa da Moeda in Lisbon, 1960 AD.,
50 Centavos (23 mm / 4,46 g), copper-nickel, 4,45 g mint weight, mintage 2.592.000 , medal alignment ↑↑ (0°), milled edge,
Obv.: REPUBLICA PORTUGUESA - 1960 / SIMOES - RЄGO GR , bust of Liberty facing right, wearing a Phrygian cap wreathed with olive, olive-branch behind shoulder.
Rev.: 50 / CENTAVOS , below coat of arms of Portugal in wreath.
KM 577 .