Painted wood, tin, and iron; Diam. 12 in. (30.5 cm), H. 12 in. (30.5 cm)
Bostonian Society/Old State House Museum (Boston, Mass.), 1930.0016
Franklin's father Josiah is believed to have advertised his candle-making shop with this "sign of the blue ball" that hung above its entrance and was visible up and down the street.