Modifiche

===Riferimenti esterni===

===Riferimenti esterni===

* http://web.archive.org/web/20080928161437/http://www.penbid.com/Auction/showarticle.asp?art_id=29 Un articolo sulla ''Corona Pen Company''

* [https://web.archive.org/web/20080928161437/http://www.penbid.com/Auction/showarticle.asp?art_id=29] Un articolo sulla ''Corona Pen Company''

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===Note===

===Note===