香港1979及1980年1元体币一对,一枚覆打,另一错打于5.6克币胚,PCGS MS62 及AU Details;Hong Kong, a pair of $1, MINT ERROR, 1979, double struck in collar and 1980, struck on 5.6g cupro nickel planchet respectively, PCGS MS62 and PCGS Genuine AU Detail (Cleaned) respectively (2).