These plaques were attached to HMVS Cerberus the ship belonging to the Victorian Navy came to Vicotiran in 1871 to guard Port Phillip - when the ship was decommission it was sunk at Half Moon Bay Black Rock as a breakwater the donor's grandfather would go out and clean the deck - he decided to take them 2 LEAD OVAL SHAPED PLAQUES DEPICTING A THREE HEADED DOG ATTACHED TWO PIECES OF WOOD HINGED TOGHETHER hmavs cerberus boat shield plaque victorian navy