Isaac Oliver, About 1560-1617
Portrait of an Unknown Woman in Masque Costume
About 1609
Watercolour on vellum, stuck to pasteboard
Signed to the right 'IO' in monogram
Musuem No p3-1942
Given by the National Art Collections Fund

This lady is wearing a costume probably designed for the Masque of Queens. This spectacular court event took place on 2 February 1609 with Anne of Denmark, wife of James I, leading the dancers.