Modifiche

The activity was quite successful and in 1924 the [[Columbus]] trademark was officially recorded at {{Marchio|26261}}<ref> Letizia Jacopini reports on "The history of the fountain in Italy," the number 23247, which presumably refers to the fact that the mark is registered in Vol. 247, Ranked #23 in the register of trade marks.</ref> at the department of the economy. After this date the pens started reporting an extended imprint (compared to the previous one havin only the ''Columbus'' name) bearing the registration number and the words ''sicurezza garatita''.<ref>meaning ''security guaranteed''.</ref> At the same time the company expanded its production by introducing new versions of gold-plated [[overlay]]s pens.

The activity was quite successful and in 1924 the [[Columbus]] trademark was officially recorded at {{Marchio|26261}}<ref>Letizia Jacopini reports on "The history of the fountain in Italy," the number 23247,seen in many pens, which presumably refers to the fact that the mark is registered in Vol. 247, Ranked #23 in the register of trade marks.</ref> at the department of the economy. After this date the pens started reporting an extended imprint (compared to the previous one havin only the ''Columbus'' name) bearing the registration number and the words ''sicurezza garatita''.<ref>meaning ''security guaranteed''.</ref> At the same time the company expanded its production by introducing new versions of gold-plated [[overlay]]s pens.