Once again you vast library has provided the answer.
The brooch in question in no doubt the "christening brooch".
I must admit that I was not convinced that the 2 brooches I proposed were a match either but sometimes, when researching for the answer, we manage to stumble across something even more interesting...and to me, therein lies the fun of it all !
on February 16, 2015, 8:11 am, in reply to "