The was the product of Martha Matilda Harper from Rochester New York. Harper registered the words "Mascaro Tonique" as a Trademark in 1888 (#15,572). In addition to the words, the Trade Mark included the representation of a "horn of plenty." She said that she had been using the Trade Mark since early in 1888. The Mascaro Tonique eventually evolved into the Harper Method Tonique for the hair.
Oval, 3 7/8", square top, no panels, BIM, clear, horizontal on front: "MASCARO - TRADE MARK - TONIQUE - FOR THE HAIR - TRADE MARK - M M HARPER - ROCHESTER, N.Y."