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[[Image:1922-11-Dunn-Bakelite.jpg|thumb|left|Advertising of 1922, with the slogan ''A regular camel for i

[[Image:1922-11-Dunn-Bakelite.jpg|thumb|left|Pubblicità del 1922, con lo slogan ''A regular camel for in

...re probably the [[Wahl Metal Pen]]), the first artificial resins such as [[bakelite]], [[galalith]] and [[celluloid]], to pass in the '40s to the most common [

...Dunn produced pens with transparent barrel; these were initially made in [[bakelite]] and later in [[celluloid]]. This feature allowed it to boast (rightly) to