Fragment of soil, stand ring and wall of (waffle) Cup, drinking glass drinking utensils tableware holder soil find glass, free blown and shaped into blown Fragment of bottom stand ring and wall of (waffle) Cup in clear colorless glass Under raised bottom pontilemark of which underneath in star shape 16 imposed and fused glass wires traversed to wall Placed smooth convex glass wire as stand ring of which about half is missing. Wall rises almost vertically and has waffle pattern of imposed and blown out glass threads of which one remains archaeological metropolis Rotterdam City Triangle Groenendaal archaeological find in the soil Metrotunnelbouw Groenendaal.