Letizia Iacopini

イタリアンペンオークション

Aurora 334 セットは、純銀 .925 の二本のボールペンで構成され、箱と内箱が付属します。

銀の酸化は、金属が空気と湿気に触れることで硫黄を含む化合物と反応し、暗いパティーナ（銀の硫化物）を形成する自然な過程です。

Aurora 334 Set composto da due Penne a Sfera in argento massiccio .925,  complete di scatola e controscatola.

L'ossidazione dell'argento è un processo naturale in cui il metallo, a contatto con l'aria e l'umidità, reagisce con composti a base di zolfo formando una patina scura (solfuro d'argento).

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Aurora - 334 Set - ボールペン

Italy - Late 20th century - As new - unused

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Two Aurora 334 Set ballpoint pens in solid .925 silver from Italy, mint condition and in working order, complete with box and inner box.

Aurora - 334 Set - ボールペン

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Two Aurora 334 Set ballpoint pens in solid .925 silver from Italy, mint condition and in working order, complete with box and inner box.

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