Blueprint of Blackman Advertising circa 1920 By Melanie | November 9, 2013 Office Blueprint of Blackman Advertising circa 1920 – Duke University indicates that Compton Advertising merged with Blackman and then was purchased by Saatchi & Saatchi http://library.duke.edu/rubenstein/findingaids/comptonadvertising/ Posted in CC License, Marketing and tagged 1920, Blackman Advertising ← Cilantro Botanical Print by TurpinWrasse – Fish Illustrations by Albin Mesnel →