Australia, Edward VIII, unofficial uniface "Pattern Crown" dated 1937, struck in aluminium, struck to a brilliant proof finish, blank obverse, rev. large crown, date below, COMMONWEALTH OF:AUSTRALIA, edge plain, diameter 38mm., brilliant as struck and unique, with modern reverse die, which served to strike the preceding pieces, incuse impression of Australia 1937, cancelled, with two lead impressions, as made and cancelled (4)