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At the end of [[1929]], more or less simultaneously with [[Osmia]] discharge by [[Parker]] , ''Joseph Lamy'' resigned to create his company. He moved to Berlin and began production of celluloid pens marked [[Orthos]], very similar to [[Duofold]] (which at that time was much imitated) produced in two sizes and a wide range of colors.  

At the end of [[1929]], more or less simultaneously with [[Osmia]] discharge by [[Parker]] , ''Joseph Lamy'' resigned to create his company. He moved to Berlin and began production of celluloid pens marked [[Orthos]], very similar to [[Duofold]] (which at that time was much imitated) produced in two sizes and a wide range of colors.  

In [[1933]] ''Lamy''  acquired a first patent for a pen/pencil combination, and put into production a large pen, always meant to compete with the [[Duofold]]. There is little information on these years, and specific models are not known, the pens were simply marketed under the brand [[Orthos]].  

In [[1933]] [[Lamy]] acquired a first patent for a pen/pencil combination, and put into production a large pen, always meant to compete with the [[Duofold]]. There is little information on these years, and specific models are not known, the pens were simply marketed under the brand [[Orthos]].

[[Image:1939-06-Artus-Favorit.jpg|left|thumb|150px|A 1939  [[Artus Favorit]] advertisement.]]

[[Image:1939-06-Artus-Favorit.jpg|left|thumb|150px|A 1939  [[Artus Favorit]] advertisement.]]