Crossword puzzle clue "sign outside a post office"

Sign outside a post office

Sign outside the principal's office?

Portrayer of Man Outside Real Estate Office in "Psycho" who regularly spent nights in the director's bed

Sight you might see outside of M's office?

It's just outside the Oval Office

One may be seen just outside a large office building

Sign outside a boarded-up JFK?

Sign outside the women's locker room?