From the George Stuart Web site.
This figurine is probably based on the Pourbus the Younger portrait of Marie de Medici seen in the last image.
Keywords: 1609, Stuart - George, Pourbus the Younger, Marie de Medici, Queen of France, Medici family, Bourbon family, Queen, French, curly coiffure, crown, square neckline, neckline ruff, stomacher, lace, full puffed sleeves, puffed cloth ornaments, hanging sleeves, lining, fur, fleur de lys waistline, French farthingale, necklace, earrings, jeweled bodice, jeweled sleeves, jeweled crucifix, bracelets, full skirt