Here's a picture of the cap badge. You can see the similarities of the leaf shape.
--Previous Message-- : The brooch is her diamond badge a : Colonel-in-Chief of the Queen's Own Rifles : of Canada. It was previously worn by : Princess Alexandra and, it is said, Queen : Mary. I have not been able to find a photo : of Queen Mary wearing it, but there are : several of her granddaughter. : : --Previous Message-- : Does anyone recognize this brooch, worn by : the : Duchess at the legislature in Manitoba? It : looks to be some kind of maple leaf. : : : : : :