A skull traditionally symbolizes death or the idea of mortality. Roses may hint at the beautiful and yet also decaying joy that life could have. While you smell the flower and it smells sweet every time you smell it it speeds up the flowers life. Enjoy the good things while they are around you.
Also it could be a Grateful Dead artwork... But that's a whole other deal man lol
Also it could be a Grateful Dead artwork... But that's a whole other deal man lol