Piccardi
== Dettagli == {{AdsInfo |Marca=Hardtmuth |Data=1911-10-07 |Paese=UK |Giornale=The Illustrated London News |Volume=CXXXIX |Numero=3781 |Pagina=580 |Source=https://archive.org/details/sim_illustrated-london-news_1911-10-07_139_3781/page/n39/mode/1up |Creatore=Internet Archive: https://archive.org/details/internetarchivebooks |Datazione=archive |Licenza=PD-exp |Nome=L. & C. Hardtmuth. |Sede=Koh-i-noor House, Kingsway, London |Note_it=Pubblicità per una matita Koh-i-Noor denominata "drop-act...