set of 9 serious roll 19th zigzag water glasses

Beautiful glasses! Large foot roll in half Crystal glasses engraved by hand of 3 bands in zigzag and wave separated by a double net. Leg 19th in buttons. Early 20th, with an irregular glass, bubbles and traces managed sand production. What could appear as shrapnel in photo are only - bubble - glass edge defects of drinking or foot. 15.5 cm high water glasses. Diameter 7cm bright State.