From new.liveauctioneers.com/item/10203714; filled in shadows and enlarged by half.
The dress has a busy small-pattern brocade and a contrasting brocade for the false sleeves and a big basque bodice. The fabric, lace, and jewels are fit for a Queen. She may be wearing a ferroniere with a pendant jewel at her hair line. Her hair is straight and piled up in 1610s style. She should have worn the brocade of her false sleeves as the fabric for most of her dress.
Keywords: Pourbus the Younger, Marie de Medici, Medici family, Bourbon family, Queen, straight coiffure, ferroniere, necklace, split tabbed basque bodice, vee neckline, lace neckline ruff, jeweled bodice ornament, jeweled clasps, tabbed sleeves, hanging sleeves, long tight false sleeves, lace back flared cuffs, girdle, basque waistline, full skirt