Engraved on the bowl of this glass are the words ‘vincens tui’ (conquer thyself). Anna roemers visscher derived the butterfly and fly motifs from a late 16th-century print by nicolaes de bruyn. (text copied from source. ). Date: 1646. Place of creation: The Hague (?). Dimensions: height: 15 cm (5.9 in); diameter: 15.5 cm (6.1 in). Medium: glass. Collection: Rijksmuseum. Engraved berkemeyer - Vincens tu - Anna Roemers Visscher - Rijksmuseum - BK-NM-8186
Author: AnonymousUnknown author Glass blown by anonymous Anna Visscher (1583–1651) Engraving by Anna Roemers VisscherSource: https://commons.wikimedia.org/