A Dutch engraved wine glass c.1740-50, the wide drawn trumpet bowl engraved with crossed cannon and other military trophies above a ribbon inscribed `Haec Libertatis Ergo`, raised on a plain stem above a folded foot, 18cm. The motto on the glass is that of the city of Leiden and the military trophies may relate to the annual celebration of the city`s liberation following the Siege of Leiden each year on 3rd October, which was formalised in 1886 and continues to this day.