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{{Infobox_Brand|Corona}}</noinclude>

[[Image:Corona-Extra-Blue-Posted.jpg|thumb|A ''Corona'' from '30/'40.]]

[[File:1952-12-Corona-Diaz-Order.jpg|thumb|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 '' ({{Marchio|116011}}).  

''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 '' ({{Marchio|116011}}). It is unclear whether there is any relationship with the ''Corona'' ({{Marchio|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.

[[File:1952-12-Corona-Diaz-Order.jpg|thumb|left|upright|120px|Order for ''Corona di Mario Diaz''.]]

[[Image:Corona-Extra-Blue-Posted.jpg|thumb|left|A ''Corona'' from '30/'40.]]

Non è chiaro se ci sia una qualche relazione con il marchio ''Corona'' ({{Marchio|90853}}) registrato da Luigi Vigorelli nel 1945. La produzione, come testimoniato dall'ordine del 1952 riportato in figura a lato proseguì anche nel dopoguerra, ma di nuovo non è noto fin quando si è protratta la attività.

It is unclear whether there is any relationship with the ''Corona'' ({{Marchio|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.

The company produced good quality [[celluloid]] pens, featuring a ''Corona'' marked gold nib, with the brand name imprinted on the body, between two circles, in nineteenth-century characters. It's quite interesting, at least in the case of the sample in the figure, the decoration with rings alongside the inscription itself.

The company produced good quality [[celluloid]] pens, featuring a ''Corona'' marked gold nib, with the brand name imprinted on the body, between two circles, in nineteenth-century characters. It's quite interesting, at least in the case of the sample in the figure, the decoration with rings alongside the inscription itself.

Riferimenti: [https://forum.fountainpen.it/viewtopic.php?f=13&t=333&start=0&st=0&sk=t&sd=a&hilit=corona]  

References: [https://forum.fountainpen.it/viewtopic.php?f=13&t=333&start=0&st=0&sk=t&sd=a&hilit=corona]  

Materiale disponibile: {{GenerateSmallBrandGallery|Corona di Mario Diaz}}

Available material: {{GenerateSmallBrandGallery|Corona di Mario Diaz}}

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{{BrandData|Founder=Mario Diaz|Place=Milano|Date=1930|Country=IT}}

{{BrandData|Founder=Mario Diaz|Place=Milano|Date=1930|Country=IT}}

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{{CategorizeBrand|Italia|Secondary brand}}

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