There are two very famous jewelry auctions, one in 1954 and the other in 1957, both in Cairo. There was an auction by Sotheby's in the 50's as well. Did you see these catalogs yourself? with the necklaces? and if you know anyone who owns them, I'd love to contact them.
Thanks
--Previous Message-- : What auctions hold in the 50's and 60's do you : know? My sources are the auction catalogues : of Christie's and Sotebhy's. I can't tell : you the exact date of the sale, sorry (I : have not the catalogues with me). : : Regards! : :