Wine glass with the arms of William IV Cup with the arms of Willem IV; Flat base with folded edge. Faceted; baluster-shaped trunk with two knots and a tear. Bell-shaped cup with a facet-cut underside. On the chalice; among tendrils; the coat of arms of Stadholder Prince William IV (1711-1751) crowned with five sunflowers. On the reverse of the glass the inscription: VIVAT // W.C.H. FRISO. PRINSE. // STADH. CAPT & ADM. // GENER; coat of arms (symbol of sovereignty); William IV (Prince of Orange-Nassau); anonymous; c. 1730 - c. 1750; glass; glassblowing; h 17.0 cm x d 8.3 cm