香港1950, 1965至1979年5毫错体币3枚,皆错胚饼,分别评PCGS AU53、MS63及AU Details有清洗。Hong Kong,3x 50 cents, 1965-1979, MINT ERROR, struck on 5.46g planchet, strike on 3.56g and struck on 4.5g copper nickel planchet respectively,PCGS AU53, MS63 and PCGS Genuine AU details (Cleaned) respectively (3)