vintage chalkboard texture with faint scribbles and dusty finish

vintage chalkboard texture faint scribbles dusty finish retro distressed weathered worn antique nostalgic old blackboard classic rough rustic faded school subtle textured shabbychic muted oldfashioned nostalgicstyle retroaesthetic chalk smudged dustylook timeless educational vintagestyle handdrawn blackboardtexture traditional classroom artistic minimalistic scratched decorative fadedlook roughtexture rusticcharm historic ai generated