Riferimenti: [https://www.fountainpennetwork.com/forum/topic/263614-oldchap-french-brand-and-inkvue-style-celluloid/], [http://fountainpenlove.blogspot.com/2014/11/stylochap-and-old-chap-pens.html], [https://forum.fountainpen.it/viewtopic.php?p=364388#p364388], [https://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&version=1.2&query=%28gallica%20all%20%22oldchap%20stilochap%22%29&lang=it&suggest=0] | Riferimenti: [https://www.fountainpennetwork.com/forum/topic/263614-oldchap-french-brand-and-inkvue-style-celluloid/], [http://fountainpenlove.blogspot.com/2014/11/stylochap-and-old-chap-pens.html], [https://forum.fountainpen.it/viewtopic.php?p=364388#p364388], [https://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&version=1.2&query=%28gallica%20all%20%22oldchap%20stilochap%22%29&lang=it&suggest=0] |