These beads measure 9mm x 4mm x 3mm. These are a Rare,faceted, double strand, jet black, tear shape bead. These are from the early 1900's and were produced in Czechoslovakia. Glass nailhead beads were used in the days of the flapper to embellish garments before sequins were developed. Great find over here folks. You will receive 24 beautiful old beads per lot.