Thank you Torkel.
You are correct - the brooch worn by Queen Camilla cannot be the one worn by Queen Mary
as-
1. Photo of Queen Mary taken in 1895
2, Edward VII's horse Minoru born in 1906.
3. Edward VII's horse Minoru won the Derby in 1909.
4. It stands to reason that the Minoru brooch was made after the 1909 Derby.
Photo dated 1895
This brooch was made circa 1909
