distress pattern. abstract grunge texture. halftone background or overlay effect. spotted for vintage effect. faded grainy

abstract art backdrop background black brush damaged degrade design digital dirty distorted distress distressed dust effect fade fadew gradation grain grainy grunge grungy half halfton halftone imperfect irregular mottled noise noisy old overlay paint pattern perforated print rough rustic sparse stain stroke surface texture tone uneven urban vector vintage worn