CEREMONIAL Ceremonial pieces have been used throughout the ages for recognition, commemoration or display of position.     McLaren Vale Bushing Shield   The Bushing Cup   Touch-Wine Trophy   Wine Press Club Trophy   A Medal for a Mayor   The University of Adelaide Mace   A Key to the City   Wilderness Rowing Medal   Red Ball Award   Florey Centenary Medal   Gold Crest Signet   A Scottish Crest