I don't have any insight on the upper brooch, but my eye was drawn to the partially obscured brooch below that.
It looks to me like a possible match to the mysterious aquamarine brooch worn by HM to open CHOGM 2015 in Malta:
--Previous Message-- : The following photo, taken in Preston on 8 : July 1913 during King George's and Queen : Mary's tour of Lancashire, has me intrigued. : : I wonder if the brooch at HM's throat could : be the 4 leaf clover brooch given to Queen : Mary by Sir Frederick and Lady Milner as a : wedding gift. : : Here is a link to a previous discussion on : this question - within this thread there are : links to earlier threads, so I will not list : them all individually. : http://members2.boardhost.com/royal-jewels/thread/1445523804.html : : Unfortunately, the Court circular in the : Times does not give a description of HM's : jewels for this occasion. Nor have I found : one in the provincial press (to which I have : access) for this particular day of the tour. : : :