The skull is the main symbol of death and mortality. Although it's meaning is negative, it maintained its popularity throughout the generations. Mostly as a rebels hallmark.
The rose is a symbol of love and purity. The beauty of this flower expresses promise, hope, and new beginnings. It is contrasted by thorns symbolizing defense, loss, and thoughtlessness.
The crown is a symbol of royal power and authority. It represents noble families and wealth.