They have nice and specific smell and test positive on simicrome. The dark bead is some specific kind of h orn it is very nice and rare and Ottoman cut.The lot is really good and can be a great addittion to your collections. The item "Old ottoman amber bakelite catalin authentic carved beads rare necklace" is in sale since Saturday, September 12, 2020. This item is in the category "Collectibles\Decorative Collectibles\Other Decorative Collectibles". The seller is "stella_antiques" and is located in European Union. This item can be shipped worldwide.