Thanks Boffer. It is a curious one. I wonder if it was an experiment because I cannot recall seeing that selection worn by anyone else.
--Previous Message-- : Yes. That is the alternating diamond and pearl : necklace that Queen Mary wore often, : bequeathing it to Princess Margaret in 1953, : who added a detachable pendant, it is now : worn by Lady Sarah Chatto. : : The origins of how Queen Mary acquired it : are unknown, however due to the abundance of : diamonds and pearls in her collection, if it : was not a gift, it is likely that it was a : commission using her own stones.