Vintage Venetian rectangular millefiori glass with aventurine ribbon bead earrings.  These vintage Venetian rectangular millefiori glass beads, featuring aventurine ribbon, have been transformed into stunning drop earrings. Dating from the 1950s, each rectangle displays a unique view of the millefiori canes on every side. The earrings are 1 1/2 inches long and are finished with gold-filled ear wires.