portuguese 2.5 escudo copper-nickel coin 1970 year. the coin shows coat of arms of portugal and carrack, ocean-going sailing ship

coin savings ship travel ocean coat arms years vintage macro symbol year money collection portuguese closeup currency lisbon centavo nickel coppernickel old fifty portugal boat blazon escudos collectible retro cents minting 25 sail two alloy european collecting escudo 1970 copper 50 metal minted numismatics centavos sea europe history carrack