Enoch Bolles' most widely reproduced advertising illustration is for a manufacturing company located where?
Zippo A Zippo lighter is a reusable metal lighter manufactured by American Zippo Manufacturing Company of Bradford, Pennsylvania, United States of America. Thousands of different styles and designs have been made in the eight decades since their introduction including military versions for specific regiments. Since its invention Zippos have been sold around the world and have been described "a legendary and distinct symbol of Americana". In 2012 the company produced the 500-millionth unit. Since its inception Zippo Lighters have been almost exclusively manufactured in the United States, with the exception of those manufactured in Niagara, Canada (an operation that has since been shut down).
Yardley of London Yardley of London, usually referred to simply as Yardley or Yardleys, is an international English-based company and one of the oldest firms in the world to specialise in cosmetics, fragrances and related toiletries  products. Established in 1770, Yardley was a major producer of soap and perfumery by the beginning of the 20th century. By 1910, it moved to London's Bond Street, and in 1921 Yardley received its first Royal Warrant. Today, Yardley holds two Royal Warrants.