An original rare pre prohibition reverse glass advertising sign for Rueter's Highland Spring Sterling Ale (Boston Mass.) which measures approximately 15 1/2" by 9 3/4". The sign has some flaking as shown but no restoration or touch up. The frame which I think is original to the piece has been over painted with gold paint a long time ago. A rare sign from this important Boston Massachusetts Brewery. Sign is completely fresh to the market from a old collection. Please see my other listings from this same source.