Piccardi
{{PhotoInfo |Marca=Parker |Modello=Parker 21 |Oggetto=pen |Particolare=feed,nib |Caricamento=aerometric |Materiale=plastica |MatDesc_it=nera |MatDesc_en=black |Licenza=Cc-by-sa-3.0 |Note_it=Versione ''Mark I''. |Note_en=''Mark I'' version. }}