Regarding the age of the tiara made around 1825 I guess the pearls are removable mainly to wear them with other jewels, as part of an necklace for example. Pearls were of enormous value at that time.
--Previous Message-- : : I have been studying your pic and am : fascinated by the simplicity of the hooks. : It certainly looks as though alternate drops : were envisioned. : I wonder if any other drops were ever made : for the tiara. : : : : : --Previous Message-- : : : Here you can see how the the tiara looks : like in the back. : : The pearls look detachable, I don't think it : has ever been done. : : The picture is taken by me and there is no : copyright. : : : : :