a marbled dark monochrome charcoal background in a textured chalkboard style , watercolor, paint with paint

ancient backdrop background black blackboard blank blot board chalk chalkboard charcoal classroom concrete dark day design dirty draws education effect empty figure friday graphic grunge grungy illustration lesson marble marbled monochrome motion nobody old paint painted real retro rough scratch sketch smudge splashes stained stroke style surface teach teacher template text texture textured vintage wall wallpaper watercolor white