Piccardi
== Dettagli == {{PhotoInfo |Marca=Whytwarth |Oggetto=pen |Particolare=nib,feed |Caricamento=safety |Materiale=silver |MatDesc_it=con bande guilloché |MatDesc_en=with guilloché bands |Licenza=Cc-by-sa-3.0 |Note_it=Modello rientrante, forse la ''Scientific Unleakable'', pennino della Valentine, riporta stampigliato il brevetto {{Cite_patent|GB|185512}}. |Note_en=Safety model, perhaps the ''Scientific Unleakable'', Valentine nib, bears the {{Cite_patent|GB|185512}} patent stamped...
