A DUTCH FAÇON-DE-VENISE DIAMOND-ENGRAVED SERPENT-STEMMED BIBLICAL GOBLET (slangenglas), the funnel bowl engraved with two large flowers alternating two oval medallions, one depicting John the Baptist with the Cross, book and lamb, wearing a fur over his shoulder, the other depicting St. Paul holding the sword, the elaborate stem consisting of coiled tubing, the middle section shaped as an 'eight', enclosing white threads and applied with pincered ornaments, set between two plain sections above a folded conical foot, ca. 1650