ファイル:Gregorio X.jpg

This file is a faithful representation of a medallion mosaic inside the Basilica of Saint Paul Outside the Walls which includes the portraits of all the Popes of the Catholic Church since the 1^st century. For almost all of those mosaics, the authors are presumably unknown and the mosaics itself date back to circa 1850 (reconstruction of the basilica under the pontificate of Pius IX). As such they fall in the public domain. See popechart.com for documentation.

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Note: This template should not be used either for the images of those mosaics whose author –and their death date– is known (use {{PD-old}} instead) and for the most recent medallions, as the latter may still be protected by copyright.