Commemorative medal depicting Sir Francis Chichester (1901-1972) and "Gypsy Moth IV"

Commemorative medal depicting Sir Francis Chichester (1901-1972) and 'Gypsy Moth IV'. Obverse: Bust of Sir Francis Chichester (left), wearing a cap. In the background mast and yacht rigging. Legend: 'SIR FRANCIS CHICHESTER'. Reverse: Kneeling figure of Neptune (left) with trident in his right hand, and his left hand extended, grasping a laurel wreath. In the background, a map of the world showing to the left America and to the right Europe and Africa. At the top of the map are two ships sailing - to the left 'Gypsy Moth IV', to the right the 'Golden Hind'. Legend: 'GYPSY MOTH IV 1966-67 GOLDEN HIND 1577-80'. Edge stamped: 'SILVER 191'.