Chalice with the arms of the Van Heemskerk family and the WGM monogram; Chalice made of clear; colorless glass. On a conical foot. The baluster-shaped trunk has three knots; a flat knot and a band with air bubbles. The funnel-shaped cuppe has a rounded bottom. On the bowl is a swan for a prong collar with a shield with the monogram WGM (Watergraafsmeer) around the neck. On the other side the crowned family crest Van Lennep with a griffin on either side.; anonymous; c. 1761; glass; glassblowing; h 20.9 cm d 8.9 cm d 8.5 cm