Isaac Oliver (about 1560-1617)
Portrait of an unknown woman
Watercolour on vellum, stuck to plain card pasteboard
Signed bottom left 'IO' in monogram
Museum no. P.12-1971
Purchased with funds from the National Art Collections Fund and the Pilgrim Trust
This sitter has traditionally been called 'Frances Howard, Countess of Somerset'. The formerly tarnished silver has been retouched.