Black skulls.. That would leave a mark

The Dark Mark by Leif Hansen: TattooNOW

The Darién Gap: World's Most Dangerous Jungle - Outside Online

Harry Potter: 10 Things That Make No Sense About The Dark Mark

Tattoos are like personal signatures. Choose from our vast collection of digital designs to leave your mark on the world. 🖋️🌎…

【Professional Design】Skull flame decal sticker has super waterproof and sunscreen function, will not leave marks when degumming. Simple structure,

Motorcycle Tank Decals Stickers, Skull Flame Decal Sticker 2 PCS Fuel Tank Sticker 3D Universal Flame Skull Decal Decorations for Motorcycle (Black)

Massive human head in Chinese well forces scientists to rethink evolution, Anthropology

a black blood drop mark with bones - Playground

Leave Your Mark “Dipset” Tee Shirt

Black Skull Logo

DNA from elusive human relatives the Denisovans has left a curious mark on modern people in New Guinea

Dark Mark – Harry Potter Lexicon

Head flattening, Cranial Deformation, Skull Shaping & Infant Modification

The Cause Be Not Lost Women's Pirate T-Shirt – Celtic Art Store by Ravensdaughter