These necklaces feature poster art fused to glass from the end of the 19th century. 18 in. 1: The Olympia poster art is fused to yellow art glass and sports ceramic and crystal beads. 2: 1890s poster art fused to dichroic glass, strung with silver beads, pearls and dragonfly, e.g.Mucha, ss dragonfly bead, pearls, crystals and ss clasp. 18 in.