vanishing halftone grungy background. fading grain gritty textured wallpaper. black white comic noise grit surface

dot gradient halftone grunge noise pattern manga background grid overlay comic wave duotone cartoon texture gritty semitone grit old book speckle anime sand vector subtle dust bg rough dirt snow fade rust distress wavy dirty gravel grungy particles messy granules aged bitmap pixel grain bw bit 8 vanish grimy