From Wikimedia; posted as an upgraded image on 1 July 2012.
Juan Pantoja de la Cruz' 1599 portrait of Isabel Clara Eugenia wearing a huge neck ruff and gorgeous jeweled headdress. Her saya has all of the standard features. She is holding a folding fan at the lower left.
Keywords: 1599, de la Cruz, Infanta Isabel Clara Eugenia, Princess, Spanish, Habsburg family, straight coiffure, high enclosing neckline, neck ruff, lace, jeweled feathered headdress, carcanet necklace, draped necklace, earrings, jeweled bodice, jeweled sleeves, girdle, aglets, rings, fan, hanging sleeves, slashed sleeves, false sleeves, cuffs, tabbed sleeves, stomacher, revers, farthingale, vee waistline, saya