Since the QD it is now known as the Duchess of Teck's Emperor of Austria Brooch.
Here it is three times with its dangly bits
--Previous Message-- : It is indeed the Teck brooch. I think HM has : "updated" a couple of older : brooches by having their "dangly : bits" removed! : : : : Previous Message-- : I think it is the Teck corsage brooch : without : the pendants. : : --Previous Message-- : Hi : I was googling the Queen when I came across : this photo of the Queen wearing a brooch I : haven't seen. Help. : PJ : Unknown Brooch : : : : :