BI-CENTENARY DISCOVERY OF NORFOLK ISLAND, 1974, in silver (57mm; 110g), edge number S-30 and another in oxidised bronze (57mm), edge number B-30 (C.1974/10; K.84), by Amor, obverse, bust of James Cook right, reverse, map of Norfolk Island and HMAS Resolution at top right. The first toned with light hairlines, otherwise uncirculated, the second uncirculated. (2)