chill - lettering slogan with psychedelic mushrooms, grass and other smoke s. 70's groovy themed in flat hand

retro graphic mushroom smoke sticker poster cartoon psychedelic illustration art vintage magic lettering quote positive peace hippy groovy sixties text 1970s 60s motivational inspirational design fashion 70s print slogan vector abstract typography drawing sign hippie floral tee shirt colorful beautiful fume chill pastel green flat isolated concept