Portrait of a lady, bust-length, in a gilt-embroidered oyster gown and ruff

Italian School, late 16th century Portrait of a lady, bust-length, in a gilt-embroidered oyster gown and ruff oil on canvas 27 ¼ x 21 ½ in. (69.2 x 54.6 cm.) with later inscription 'INFANTA ISABELLA / ANNO 1590 / ALBERTO . PRINCIPI / AVSTRIO NVPTA·' (upper left) and 'Ætatis suæ 18 anno 1590' (upper right)