Used waterline ship from Tri-ang out of metal.
SUNK was located in the Thames Estuary on the east coast of England
SHAMBLES marked a sandbar known as "The Shambles" between Portland and Weymouth off the south coast of England
CORK marked the "Cork Sand" in the English Channel off Felixstowe
VARNE marked "The Varne Bank" in the English Channel off Folkestone
ST. GOWAN was located near Milford Haven off the Welsh Coast
(Information taken from Tri-ang homepage)