4 x crazy heads in Opaque Blue/Silver (16x13mm)

This is a pack of four Opaque Blue / Turquoise Crazy heads which are 16mm x 13mm and are 6mm thick. There is a hole running through the beads from the top of the head to the chin and there is the same impression on both sides of the beads. The beads were made in the Czech Republic.The Czech number for this colour is 33040/54301.