Elizabeth II, Proof Sovereigns (3), 1979, 1980, 1981, and Proof Half-sovereigns (2), both 1980, all mint state, in cases of issue (5)

細節
Elizabeth II, Proof Sovereigns (3), 1979, 1980, 1981, and Proof Half-sovereigns (2), both 1980, all mint state, in cases of issue (5)