A Silver Topped Gold, Burmese Ruby and Diamond Bib Necklace, the openwork foliate and cruciform motif bib suspending a fringe of drop pendants and joined with a single row back chain, the necklace containing 21 oval mixed cut rubies weighing approximately 18.43 carats total, and numerous calibrated and round mixed cut rubies weighing approximately 31.84 carats total, together with eight transitional brilliant cut diamonds weighing approximately 0.80 carat total, and numerous old European