Kosca
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The company was founded by the activities of two German entrepreneurs, Kohler and Schaefer [1] and the first letters of their names were used for the company name. Without a known foundation date the production style give a rough indication of the mid-20s. It's known instead the company's headquarters, Via Conservatorio 6 in Milan (from this 1929 invoice), and the first trademark registration on their behalf in 1929 (Reg. Gen. N. 40298), with a logo of their initials (no trace instead of the number cited on the invoice (C.C.I. Milano 937773). In the same time they registered also Spezial (Reg. Gen. N. 40301) and Spezial Super (Reg. Gen. N. 40299) trademarks. Much later, requested in 1938, is the Record (Reg. Gen. N. 59025) trademark, that was also renewed after the war.
But there is also a German company in Pforzheim in Germany, called Kohler & Schaefer which holds several patents related to fountain pens and other writing instruments, for which it is not known any relationship with the Milanese company (if the parent or other). But the possibility that these were two completely independent companies with the same name composed of two identical surnames (Kohler & Schaefer also appears in the records of Italian brands) is considered very unlikely.
As for the Uhlmann's Eterno initial production was mainly of hard rubber pens overlays, which are considered among the best ever. It is believed that the company have produced them also on behalf of the most famous companies like Columbus, Omega and Ercolessi, and also for the Italian branch of the Waterman. At least this last relationship is well established, existing many examples of such pens.
The production of the second half of the '30s was in celluloid, in three sizes with a faceted clip embossed with Kosca imprint and decorated with a patterned band between two thin rings.
External references
Notes
- ↑ in the patent nº GB-302015 registration (identical to nº CH-130454) by Kohler & Schaefer, there are the names of Paul Kohler and Christian Schaefer which we assume to be the company founders.