Fragments of soil, stand ring, wall and bramble decoration of waffle cup, beaker tableware holder fragment soil found glass, free blown and formed in blown glass application 23 fragments of part of bottom and stand ring wall and bramble decoration of waffle cup in clear colorless glass. Pontil mark under raised bottom with onset of round-laid and fused to wall continuous glass wire Then molded with 17 grooves and blown out, creating waffle-shaped pattern. Almost vertically ascending wall decorated with bramble knobs of which two of the usual three present archeology Rotterdam IJsselmonde drinking wine beer serve serving Soil discovery: Castle IJsselmonde pit 1 and 2 Rotterdam 1972.08.30.