Collectible three bags swirl striped opaque glass toy or hobby marbles. Originally factory packaged. Made in Czechoslovakia in the 1948-1990's by the Železnobrodske sklo company (ŽBS), which has long since finished, these are unique Art glass collectibles of the future. 

Size: 13.5 mm or 8/16" approx
Material: glass
Type: marbles
Condition: authentic vintage find. Excellent. Packaging fragile.
Origin: Czechoslovakia 
1948-1990's
Quantity: three bags 90 marbles