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The start of fountain pens production is not known precisely, but it is known that they were listed in a catalog of 1890, along with over 150 other stationery products. These models were hard rubber [[eyedropper]] pens, characterized by a lock line for the cap. These pens were characterized by the imprintimg ''F. Soennecken 554'' and were available in four sizes (numbered from 3 to 6) and equipped with the gold nib produced by the company.

The start of fountain pens production is not precisely known, but it is known that they were listed in a catalog of [[1890]],<ref>the informations on the company initial production are taken mostly from those reported by A. Lambrou in his books: please note that many inaccuracies were found in other historical data he reported, so their reliability is relative.</ref> along with over 150 other stationery products. These models were hard rubber eyedropper pens, characterized by a lock line for the cap. These pens were characterized by the imprinting ''F. Soennecken 554'' and were available in four sizes (numbered from 3 to 6) and equipped with the gold nib produced by the company.