St. Peter and St. Paul etching containing a Chi-Rho
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Anonymous. Uploaded by Paul Joseph De Mola, published on 09 May 2013 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.
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