During the week Beth did a series of posts on some of the jewellery HM was given by family & friends as wedding gifts.
She did a post on the amethyst sautoir given to QEQM as a wedding gift by Queen Alexandra yesterday.
I think that QEQM wore at least once in public the sautoir (photo below from royal jewels of the world board - more than 10 years now).
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If I am not mistaken, we had a general consensus that Queen Alexandra also wore the sautoir in 1906 (photo below) :
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Franck