Jolly Roger - Wikipedia
Jolly Roger (pirate), Pirates of the Caribbean Wiki
Jack Rackham: Embrace Your Inner Pirate with the Jolly Roger Flag!
File:Jolly Roger flag of pirate Bartholomew Roberts.jpg - Wikipedia
There are only three preserved pirate flags in existence. (The first is pretty dubious) : r/vexillology
Jolly Roger (pirate), Pirates of the Caribbean Wiki
Jolly Roger - Wikipedia
File:Cracked Jolly Roger.svg - Wikimedia Commons
Jolly Roger: Massacre at Cutter's Cove - Wikipedia
File:Pirate Flag of Emanuel Wynne.svg - Wikipedia