Analysis of information sources in references of the Wikipedia article "Paperboard" in English language version.
Gair's greatest role in packaging history was inventing a mechanized method for die cutting and scoring... The idea resulted from a mistake in 1879.
Coated paperboard used in the commercial printing industry as "cover" stock is used for multi-colored graphics for items such as business cards, appointment cards, brochures, catalogue and magazine covers, postcards, and tickets.