of the house, which is associated with Nero's reign, dated the square to between A.D 50 and A.D 79 (the destruction of the city). A Sator square was found in 1954, in ROTAS-form, etched onto a roof tile of the second-century Roman Imperial governor's house for Pannonia Inferior at Aquincum, near Budapest, Hungary. There has been debate over whether a second partial inscription found beside the square is part of the Roma-Amor palindrome (thus affirming the Roman puzzle origin theory), but it seems unlikely. A Sator square was found in 1978, in ROTAS-form, etched on a fragment of Roman pottery at a Roman site at Manchester that was dated circa. A.D 185. Four Sator squares were found in 1931–32, all in ROTAS-form, etched on the walls of military buildings, at Dura-Europos in Syria, dated circa. A.D 200. A Sator square was found in 1868, in ROTAS-form, scratched onto a plaster wall in the Roman Britain settlement of Corinium Dobunnorum at Cirencester. A Sator square was found in 1971, in ROTAS-form, etched onto an unfired brick at the Roman city of Conímbriga in Portugal that was dated from the second century. A Sator square was found in 1966–71, in ROTAS-form, scratched into a Roman-era wall during excavations of the Basilica di Santa Maria Maggiore in Rome (along with the Roma-Amor, and the Rome Summus Amor palindromes). Early medieval The earliest Sator square post-Roman times was the 1899 discovery of a ROTAS-form square inscribed on a Coptic papyrus by German historians Adolph Erman and Fritz Krebs in the Egyptian papyrus collections of the Berlin State Museums (then the Koniglischen Museen); it has no other explicit Christian imagery. The earliest Sator square with explicit additional Christian imagery is a sixth-century bronze amulet from Asia Minor that has two fish turned toward one another on one side, and a Sator square in Greek characters in a checkerboard pattern on the other side. Written above the square is the word "ICHTHUS", which directly translates as a term for Christ. It is also in the Berlin State Museums. One of the earliest examples of a Sator square in a Christian church is the SATOR-form marble square on the facade of the circa. A.D 752 Benedictine Abbey of St Peter ad Oratorium, near Capestrano, in Italy. The earliest example from France is a SATOR-form square found in a Carolingian Bible from A.D 822 at the monastery of