Two 18k and 22k gemstone bead necklaces. 1st item: 18k fashion blue topaz necklace of 47 blue topaz shaped lozenge beads and nine 18k brushed yellow gold tubular spacers (including clasp), maker's mark on screw clasp, illegible. Strung on wire. 17" long. 37.8 grams. 2nd item: 22k fashion tourmaline necklace of 69 briolette cut, bead-style, multi-color tourmaline gemstones and 41 mixed 22k yellow gold shaped bead spacers with shepherd's hook clasp. Strung on wire. 20" long. 66.10 grams. (Additional high-resolution photos are available at www.caseantiques.com.)