Isle of man (British Crown dependencies), 1984, 1 Crown, Elizabeth II, 30th Commonwealth Parliamentary Conference, Conjoined heads, Obv. Bust of Queen Elizabeth II facing right, Legend Around Lettering is "ISLE OF MAN ELIZABETH II 1984", Rev. Conjoined portraits in profile of Her Majesty Queen Elizabeth II and His Royal Highness the Duke of Edinburgh, Lettering Around the Conjoined heads portrait "thirtieth commonwealth parliamentary conference ·one crown·", Reeded Edge, Mint "PM" (raised below of the Queen Obv. bust shoulder) as a mint mark of Pobjoy Mint, Surrey, United Kingdom, 28.46grams, AUNC.