Image: PortugueseFlag1475

Description: Flag of Portugal 1475-1479 (during Castilian Civil War between Juana la Beltraneja and Isabella the Catholic)
Title: PortugueseFlag1475
Credit: This insignia has not been confirmed to be correct because it is lacking important source information: Please edit this file's description and provide a proper source. HELP: (1) The picture claims to be authentic. As such, “own work” is no proper source by itself. If applicable, any provided source(s) doesn't show an original depiction nor an original description, and therefore may violate NPOV (neutral point of view) by being original research. (2) For coat of arms please use the blazon and/or the picture of an original interpretation to provide an adequate source, but at least one or more references to literature. (3) If this depiction is a derivative please use the Template: Derived from to avoid sequence errors, to make this work more transparent for others to view and investigate, and to avoid an infringement of the copyright licence.
Author: Brian Boru
Permission: Own work
Usage Terms: Creative Commons Attribution-Share Alike 1.0
License: CC BY-SA 1.0
License Link: https://creativecommons.org/licenses/by-sa/1.0
Attribution Required?: Yes