Cu-Ni. 38mm.  QUEEN ELIZABETH THE SECOND 1952 - 1977.  Her draped bust r.  R. BAILIWICK OF GUERNSEY  TWENTY FIVE PENCE  Aerial view of Castle Cornet.  KM 31.  UNC in plastic case

Castle Cornet is an island castle off the coast of Guernsey. It is where they carry out their celebrations for the Queen’s birthday every year with their annual gun salute.  The reverse engraving of Castle Cornet and the obverse portrait of Queen Elizabeth were designed by Arnold Machin.