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In 1927 were introduced the first [[lever filler]] models, discontinued  after three years, in 1930, when it was introduced a particular [[button filler]] system, characterized by a protection shell that allowed to hide the hard rubber button, which was operated by rotating the shell. The new system received great acclaim, although the production of [[safety]] pens was maintained until 1939. The finest line of pens, equipped with the new [[button filler]] system, was named [[Rheingold]] (''Rhein gold''), inspired by the name of the treasure it the Wagner's ring Cycle, and were characterized by a decoration on top of the cap that consisted in an "S" letter surrounded by an inlaid white circle in turn surrounded by inlaid rays.

In [[1927]] were introduced the first [[lever filler]] models, discontinued  after three years, in [[1930]], when it was introduced a particular [[button filler]] system, characterized by a protection shell that allowed to hide the hard rubber button, which was operated by rotating the shell. The new system received great acclaim, although the production of [[safety]] pens was maintained until [[1939]]. The finest line of pens, equipped with the new [[button filler]] system, was named [[Rheingold]] (''Rhein gold''), inspired by the name of the treasure it the Wagner's ring Cycle, and were characterized by a decoration on top of the cap that consisted in an "S" letter surrounded by an inlaid white circle in turn surrounded by inlaid rays.