I knew this picture, but was not aware it had been taken as soon as 1998. It makes the speculation about the alterations of the tiara being made for Camilla even more unprobable.
Certainly the tiara was altered on Queen-Mother Elizabeth's request, to adapt the diameter of the tiara to her head size.
--Previous Message-- : Thank you, Baxter! My memory varies a lot, : and so I wasn't sure since no one else : recalled the loan. My theory is that the QM : had the tiara altered, no doubt with the : Queen's permission, or Queen Mary's if it : was during her lifetime. But after the : Empire became the Commonwealth, this tiara : may have seemed inappropriate. Or QM simply : did not like it, or it still did not fit : her. And while she was Queen, it would have : been more appropriate than when she was QM. : It was, after all, originally a substitute : for an imperial consort's crown. :