Mary I had almost 300 burned at the stake, earning her the sobriquet of "Bloody Mary""
She inspired a legend - appearing as a horrific image in the mirror when summoned.
The presence of gold shows not only the wealth of her realm (the crown, the mirror) but also the Golden Rose (petals), which she received from the church as a love token.
She was not always all that bad which is why I used the blood tears. It puts across the tragedy in her life, while staying true to her bloody actions.