This antique rare soap advertisement features Olo Soap Powder. The sign is a blue rectangle with red text. “Take Home” at the top is followed by a picture of the Olo Soap Powder box, featuring Borax as an ingredient. “You use less because it’s concentrated” is the bold red message at the bottom.

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May 17, 2013 Antique Advertising For Cleaning Products, Antique Advertising Signs