Fragment of foot, stand and part of chalice of chalice or drinking bowl, drinking glass drinking utensils tableware holder soil find glass, free blown and formed glass application Fragment of foot stem and small part chalice of chalice or drinking bowl in clear colorless opaque white and opaque-gold glass in façon de Venise style The foot is made of folded ball with imposed counterclockwise bending opaque white and opaque-golden glass threads, creating network pattern Pontil mark under high (2.4 cm) ascending foot with rim folded down. Hollow convex knot with flat knot End of almost horizontal slightly ascending chalice archeology Rotterdam IJsselmonde drinking wine serve beer Soil discovery: IJsselmonde Castle Rotterdam 1972.