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For the particularity of his fountain pens, combined with the lack of production and even more limited availability of working models, a [[Zerollo]] is among the most collectible fountain pens models, reaching high prices, even if the historical importance of the company, especially in relation to the international scene, is relatively marginal.

For the particularity of his fountain pens, combined with the lack of production and even more limited availability of working models, a [[Zerollo]] is among the most collectible fountain pens models, reaching high prices, even if the historical importance of the company, especially in relation to the international scene, is relatively marginal.

===Riferimenti esterni===

===External References===

* http://www.pentrace.net/article112300025.html

* http://www.pentrace.net/article112300025.html

* http://www.fountainpennetwork.com/forum/index.php?showtopic=4467&st=0&#entry116468

* http://www.fountainpennetwork.com/forum/index.php?showtopic=4467&st=0&#entry116468

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===Note===

===Notes===

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[[Category:Translated Pages]]</noinclude>

[[Category:Marche]]

[[Category:Secondary brand]]</noinclude>