Jolly Roger - Wikipedia

File:Jolly Roger flag described by William Betagh.jpg - Wikipedia

File:Jolly Roger flag of pirate Thomas Nichols.png - Wikipedia

File:Cracked Jolly Roger.svg - Wikimedia Commons

Jolly Roger - Wikipedia

File:Richard Worley Flag.svg - Wikipedia

Jolly Roger, One Piece Wiki

The Jolly Roger, Treasure Planet Wiki

Captain Jolly Roger - Pittsburgh Pirates, According to Wi…

Jolly Roger - Wikipedia

File:Jolly Roger at Portsmouth Historic Dockyard.jpg - Wikipedia

File:Jolly Roger Pirate Boat 5.jpg - Wikimedia Commons

There are only three preserved pirate flags in existence. (The first is pretty dubious) : r/vexillology