1960s 3-strand goldtone chunky graduated white/clear givre art glass beads with clear saucer shaped spacer beads and hook clasp. Marked "Carnegie" in script on both sides of the clasp where the ends of the beads connect. Measures: 8 inches long by 5 1/2 inches wide.  Center: 2 1/4 inches long. Interior circumference is about 17 3/4 inches on the largest setting. Condition: Very good; slight aging/darkening to metal on the extension chain.