I do not think it is this brooch but one that she wore in 1992 for a 40th anniversary. It was a gift from her parents in 1943 and Field mentions it on p.147. The brooch pictured is a more recent one.
--Previous Message-- : Yes, I think the brooch in the picture of : Princess Elizabeth is the first vase of : flowers she received from her parents. The : second one (the Queen in blue) may be the : brooch Boffer describes. They don't look : alike to me. :