According to the description, this cross and coin are both from the City of Antioch (now in south/east Turkey), which was a very important city of the Roman Empire and one of the earliest centers of Christianity.

According to scholar Diego M. Santos, “The coin was made in Antioch and is not of Constantine I (‘the great’) but the portrait depicted is that of his son, Constantine II as a caesar (the title of the sons and heirs of an emperor), the legend reads Constantinus iun(ior) nob(ilissimus) c(aesar) “Constantine, junior, the most noble caesar”. The black and white drawing is of a gold coin of Constantine I”.

Constantine the Great, the Roman Emperor who ruled from 307-337 A.D. and was the first Emperor who recognized Christianity as a legal religion of the Empire (thanks to scholar Sebouh Aslanian for the correction of the given description). This cross was found in a mass grave near Antioch and probably dates to 526 A.D. when a terrible earthquake destroyed the city, killing an estimated 250,000 people.