1980s Unique Black & White Bead Necklace

This spectacular necklace is an unsigned beauty. It begins with 14 round white beads and a big silver spacer followed by a black and white flat square bead drilled on the diagonal.  After another spacer, there are 2 black flat triangle beads, a spacer, 2 beads, spacer, 2 more flat triangles, spacer, another flat square, and spacer. There are 10 more beads before the pattern repeats itself. The necklace ends with another 14 more beads. The necklace measures approximately 30 ” in length and closes with a spring ring clasp. This necklace is in excellent vintage condition.