Late 60s Early 70s brown calico pull over button up boho blouse (ignore spot!)

Boho bohemian late 60s Early 70s calico brown button up pull over too blouse shirt Ignore the spot- it is my camera acting up. it is in all the pics :( my mom gave me a bunch of her old clothes. I remember her wearing this when I was little. it is in good condition for being over 50 years old!