Portrait of Maria de' Medici (detail) by Agnolo Bronzino, 1551. 

Tempera on wood. [Left original except for cropping because messing with it made her skin looked diseased]

Portrait of Maria de' Medici (detail) by Agnolo Bronzino, 1551.

[Messed with slightly but hey, the object is to be able to see the necklace, not make the painting look like it does in life]

Portrait of Maria de' Medici by Agnelo Bronzino, 1551. Tempera on wood