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At the beginning of the 40s the [[Neptune Docet]] was introduced, a [[piston filler]] model with transparent barrel, in a single measurement. It was the joined by the ''Export'', a low-end pen, still [[piston filler]] but produced in three sizes and different decorations. The 50s final production saw several steel nibs models, both hooded than ordinary, but always in the economy segment.  

At the beginning of the 40s the [[Neptune Docet]] was introduced, a [[piston filler]] model with transparent barrel, in a single measurement. It was the joined by the ''Export'', a low-end pen, still [[piston filler]] but produced in three sizes and different decorations. The 50s final production saw several steel nibs models, both hooded than ordinary, but always in the economy segment.  

Nella seconda metà degli anni '50, con il progressivo avvento della penna a sfera, vedendosi sempre più ridurre gli spazi di mercato, Alfonso Vecchietti decise di interrompere la produzione per dedicarsi solo alle attività del negozio. Il marchio, come molti altri, è stato recentemente riportato in vita per la produzione di stilografiche moderne.

In the second half of the 50s, with the gradual advent of the ballpoint pen, seeing an increasing reduction of the market, Alfonso Vecchietti decided to stop production to devote himself to the activities of his store. The brand, like many others, has recently been revived for the production of modern fountain pens.

{{CronoMarca|Nettuno}}

{{CronoMarca|Nettuno}}