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Also in [[1929]] the [[Columbus Extra]] line was introduced, using the new filling system. Since then the name ''Columbus Extra'' was used to indicate the high-end production, so under this name were produced a wide variety of different models. Typically all models were further identified by a numerical or literal code. This line, with the same name and the same model numbers, remained in production for about a decade, while undergoing many stylistic and technical changes. Therefore is very difficult to classify with the same name a production that can be highly differentiated.  

Also in [[1929]] the [[Columbus Extra]] line was introduced, using the new filling system. Since then the name ''Columbus Extra'' was used to indicate the high-end production, so under this name were produced a wide variety of different models. Typically all models were further identified by a numerical or literal code. This line, with the same name and the same model numbers, remained in production for about a decade, while undergoing many stylistic and technical changes. Therefore is very difficult to classify with the same name a production that can be highly differentiated.  

The pens of the first [[Columbus Extra]] line were ''[[Flat top]]s'', clear imitation of the [[Parker]] [[Duofold]]; they were produced in four versions numbered [[Columbus Extra 98|98]], [[Columbus Extra 96|96]], [[Columbus Extra 94|94]] and [[Columbus Extra 80|80]], the first three respectively corresponding to large, medium and small size, and the forth to a lady version (same size of the small, but with cap ring instead of clip). In [[1931]] the [[Columbus Extra]] underwent a restyling following the trend of [[streamlined]] shapes, and the cap was decorated with a different cap band. The pens of this period, however, although it were obvious imitations, were of good quality and very elegant. The [[Columbus Extra 98|98]] model remains one of the best pens made at that time.  

The pens of the first [[Columbus Extra]] line were ''[[Flat top]]s'', clear imitation of the [[Parker]] [[Duofold]]; they were produced in four versions numbered [[Columbus Extra 98|98]], [[Columbus Extra 96|96]], [[Columbus Extra 94|94]] and [[Columbus Extra 80|80]], the first three respectively corresponding to large, medium and small size, and the forth to a lady version (same size of the small, but with cap ring instead of clip). In 1931 the [[Columbus Extra]] underwent a restyling following the trend of [[streamlined]] shapes, and the cap was decorated with a different cap band. The pens of this period, however, although it were obvious imitations, were of good quality and very elegant. The [[Columbus Extra 98|98]] model remains one of the best pens made at that time.

[[Image:1932-Columbus-Extra.jpg|thumb|An [[Columbus Extra|Extra]] model from beginning of '30s]]

[[Image:1932-Columbus-Extra.jpg|thumb|An [[Columbus Extra|Extra]] model from beginning of '30s]]