Pink sequined glass beads 1950s 1960s elegant top

Pink sequined glass beads 1950s or early 60s late 40s? Beautiful elegant sparkle top for prom or vintage bride. Mid century era tank with sequins and glass beads a couple, 2 or 3-ish are discolored (see last photo) AKA shell top very Gidget overall EUC size medium ish Here are some measurements: Arm opening 9“ length 22”23“ 19.5pit to pit “ laid flat. Oxsal 1 120 28