There's a book about the Holy Foreskin which details the history of the relic through the ages, https://www.amazon.com/Irreverent-Curiosity-Churchs-Strangest-OddestTown/dp/1592405495/ref=sr\_1\_1?crid=L45B7PC2HDFD&keywords=an+irreverent+curiosity&qid=1638397096&sprefix=an+irreverent+%2Caps%2C215&sr=8-1