Riferimenti: [http://www.fountainpennetwork.com/forum/topic/204178-unknown-vintage-italian-fountain-pen-maybe-tibaldi/], [https://forum.fountainpen.it/viewtopic.php?f=13&t=2653], [https://forum.fountainpen.it/viewtopic.php?f=12&t=18038] | Riferimenti: [http://www.fountainpennetwork.com/forum/topic/204178-unknown-vintage-italian-fountain-pen-maybe-tibaldi/], [https://forum.fountainpen.it/viewtopic.php?f=13&t=2653], [https://forum.fountainpen.it/viewtopic.php?f=12&t=18038] |