Modifiche

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.

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===

===External references===

* http://fountainpenboard.com/forum/index.php?/topic/736-koska/

* no one so far

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===Notes===

===Notes===

<references/>

<references/>

{{BrandData|Founder=Paul Kohler, Christian Schaefer|Place=Milano|Date=1920|Country=IT|Trademarks=Record,Spezial}}

{{BrandData|Founder=Paul Kohler, Christian Schaefer|Place=Milano|Date=1920|Country=IT|Trademarks=Record,Spezial}}

{{CategorizeBrand|Italia|Secondary brand}}</noinclude>

{{CategorizeBrand|Italia|Secondary brand}}</noinclude>