Corona di Mario Diaz

Corona di Mario Diaz
File:Corona-Diaz-Order-1952-12.jpg
Order for Corona di Mario Diaz.

Corona di Mario Diaz was an Italian company based in Milan, active from the mid-thirties. Unfortunately it is not known an exact date for the founding of the company, not to be confused with the same name "Corona" American and English brands. The company was active (at least by some registered trademarks) in the field of mechanical adding machines, but the only registered trademark pertaining to pens is CIP (Template:Brand). It is unclear whether there is any relationship with the Corona (Reg. Gen. N. 90853) trademark registered by Luigi Vigorelli in 1945. The production, as evidenced by the order of 1952 shown in the figure at the side, went even after the war, but again it is not known until when the activity has continued.

A Corona from '30/'40.

L'azienda produceva penne in celluloide di discreta fattura, caratterizzate da un pennino in oro marcato Corona e dalla stampigliatura del marchio anche sul corpo, fra due cerchi, in caratteri ottocenteschi. E' abbastanza interessante, almeno nel caso dell'esemplare in figura, la decorazione con anellini a fianco della iscrizione stessa.

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