Chalice with the arms of the Van Lennep family and the WGM monogram; Chalice made of clear; colorless glass. On a conical foot. The baluster-shaped trunk has two knots; a composite knot and two bands with air bubbles. The conical cup 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 coat of arms of the Van Lennep family is shown surrounded by leafwork and garlands consisting of chalices.; anonymous; c. 1750 - c. 1775 and/or c. 1785; glass; glassblowing; h 20.2 cm d 8.6 cm d 8.3 cm