String of 11/0 Czech seed beads in Silver lined Dark Red (1970s)

This is a string of vintage Silver lined Dark Red seed beads which were made in the 1970s in the Czech Republic.Each string weighs almost 2.5g which is about 350 beads. The beads vary in size- but they are roughly a size 11/0 with 15 beads measuring about 22mm and 18 beads to the inch.