Fragment of foot, stem and calyx of wing glass, wine glass drinking glass drinking utensils tableware holder soil find glass, free blown and formed glass application Fragment of foot trunk and very small part of chalice of wing glass in clear colorless and white-opaque glass. Pontil mark under concave ascending foot of which only part remains Flat knot and massive short trunk to flat knot. Twisted glass wire in pretzel on both sides ascending continuously to short solid trunk to flat knot and attachment of calyx. Glass wire twisted into waffles on both sides in white-opaque glass of which small part is missing. Small part of rushing cup (flute) Archeology Valckensteyn Poortugaal Albrandswaard Soil discovery Valckensteyn.