Watch List notes:

George VI (1936-1952), Proof Threepences, 1950; and 1951, bare head left, rev. thrift plant, plain edges, 6.74g, 12h; and, 6.82g, 12h (Spink 4113), the first with some irregular toning, yet extremely fine, the second with the faintest of contact marks to the obverse otherwise toned and brilliant, much as struck; additionally, Elizabeth II (1952-2022), 'Calm Sea' Halfpenny, 1957, first laureate head right, rev. ship left on calm sea, plain edge, 12h, 5.59g (Spink 4158), traces of mint red below lightly carbonised surfaces, otherwise as struck (3).

Estimate: £120 - £150