1978 Canadian Olympic Association Medal Presented to COA President James Worrall1978 Canadian Olympic Association medal on engraved base, originally presented to former COA president James Worrall Made by Medallic Art Co. Engraved on the base: "Presented to J. Worral by the Canadian Olympic Association, Past President's Night, April 19, 1978" Medal is 2. 5 in diameter and approximately a quarter inch thick. Base is 3 in diameter and approximately 3 4 tall (3. 5 with medal) Medal is mounted to the base and not easily removable.