Flat-back two-hole beads

These are wonderful old beads, probably made in the 1960s. It is a sort of blue cloud color with streaks of blue and white. The back is flat and the holes are on the long side. The bead is 16 mm from top to bottom and 11 mm from side to side. The holes are 2 mm apart. There is a pattern on the face of the bead. It is a band of small dots with a dotted line on each side. There are larger dots on each side of that. These are mostly likely Czech glass, but could be German. Price is for 10 beads.