Fragment of part of the foot, trunk and part of the goblet of chalice with Silesian trunk in clear colorless glass, drinking glass drinking utensils tableware holder soil find glass, hand blown in the form blown Fragment of part foot stem and part chalice of chalice in clear colorless glass The glass is made of three parts: foot stem and chalice. pontil mark underneath hollow ascending foot. The stem is pseudo-facetted in the form blown with four facets so called Silesian trunk (á la façon d'Angleterre) with an enclosed elongated air bubble. The chalice has thick solid bottom and is made of thick glass. Archeology Rotterdam rail tunnel drink Soil discovery: rail tunnel Rotterdam.