The Perth mint, along with the Melbourne
mint ceased the production of commercial proofs in 1963 but the Perth
mint, produced proof of record strikes for 1964, as they did with every other year they
struck Australian commonwealth coins (including those years where commercial proofs were produced
from 1955 to 1963). One pair of the half penny was offered at a Spink & Son sale in 1987, both coins were slightly impaired
and the pair sold for $7200
(Coin Web, 2007)
.
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