I agree, it is chiffon with crystal embellishment, the gauze is clearly visible. No mystery here I'm afraid.
--Previous Message-- : IMHO, it looks like a piece of cloth with : pasted white crystals or sequins and used as : a head band or something like that... : : --Previous Message-- : A well known photo of queen Helen of Romania : with an unknown tiara. found on Gotha : d'hier et d'aujourd'hui : : : : :