portuguese 2.5 escudo copper-nickel coin 1975 year. the coin shows coat of arms of portugal and carrack, ocean-going sailing ship

collection collectible portuguese vintage alloy escudos sail boat minting travel escudo coppernickel ocean ship two old coin european nickel centavo portugal 1975 25 macro fifty currency centavos cents europe lisbon year money metal minted retro closeup collecting years savings numismatics 50 copper symbol history blazon coat arms sea carrack