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Creata pagina con "In 1957 the production was reorganized, the ring with the logo was removed, changing to a simple ring on the cap edge, and introducing a classification of price range base..."
In [[1957]] the production was reorganized, the ring with the logo was removed, changing to a simple ring on the cap edge, and introducing a classification of price range based on the number of rings placed over the cap. The pens were still identified, as for the previous [[Regent]] by a three-digit numerical code, and mostly named [[Geha-Schulfüller]].