NGC confirms the KM#933 attribution and key specifications, while the Royal Mint confirms the round £1 technical standards and 1983 introduction. • KM#/Pick#: KM# 933. • Cataloged asKM#933. The Royal Mint states the round £1 coin was introduced on21 April 1983, and the 1983 reverse features theRoyal Arms design byEric Sewell.
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