Ivory Soap Outdoor Billboard Advertising circa 1925 by General Outdoor Advertising Co. By Melanie | October 3, 2013 Ivory Soap Outdoor Billboard Advertising circa 1925 by General Outdoor Advertising Co. Posted in CC License, Marketing and tagged 1925, General Outdoor Advertising Co, Ivory Soap ← Quotes About Design – Christopher Dresser circa 1876Floral Patterns – Designs by Christopher Dresser circa 1876 →