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. : : : :