capital letter o with octopus, tentacles in black and white graphic style.

abc abstract alphabet background banner book booklets calligraphic card classic covers creative decorative design drawn elegance element emblem font futuristic graphic hand hipster icon icons illustration illustrations industrial invitation isolated label letter line logo logotype luxury magazines marine media modern monogram nature ocean octopus old ornament ornate retro sea seafood shape sign social squid style stylish symbol tentacle thin type typographic typography vector vintage