From pinterest.com/dianariveraguil/royals/. Also posted to the Early 1500s - 1470 to 1550 Album here.
Headwear like that seen in the last image can be seen in greater detail - a cap decorated with aglets and a jeweled caul.
Keywords: Queen Elisabeth of Poland, Elisabeth von Österreich, Elżbieta Habsburżanka, królowa polski, Habsburg family, Jagiellonowie family, Archduchess, Queen, Polish, jeweled cap, aglets, jeweled caul, partlet, high enclosing neckline, carcanet necklace, pendant, necklace, fitted bodice, square neckline