Portugal 4 centavos on impresso par cegos (braille printed matter) from Funchal Madeira 13 May 1940 to Grave Netherlands, connection disrupted (restored in April 1941 via the French Zone). Similar to other items, this piece was stored in France and forgotten, found again in March 1948, and sent to Grave, arrival cancel GRAVE 4.III.18 and forwarded to Enschede, with label Amsterdam Maart 1948/ Door oorlogsomstandigheden/ met vertraging ontvangen (Amsterdam March 1948, because of war conditions received with delay). Although damaged a great rarity in Portuguese philately, probably unique!