What an interesting set of photos. Thank you PJ. I enjoyed seeing them. You must have spent considerable time looking for them. Many thanks for taking the effort to find them for the board members.
I, personally, don't think that your first photo shows the same brooch as QEQM's brooch in your other photos. But everyone knows that my eye is not the best and I am often mistaken (alas too often!)
Having said that, I don't know which brooch QEQM was photographed wearing in your first photo - to me that brooch is a mystery.