What Color Of Flag Would Be Shown When The Theater Was Announcing That They Were Going To Perform The Tragedy Of Macbeth?

What Color Of Flag Would Be Shown When The Theater Was Announcing That They Were Going To Perform The Tragedy Of Macbeth? What color of flag would be shown when the theater was announcing that they were going to perform the tragedy of Macbeth? If the flag was black, a tragedy was scheduled; a white