Archaeologists found highly valuable artifacts at the St. Ivan Island near the coastal town of Sozopol during their research there, FOCUS News Agency correspondent reports. Apart from the pleasant surprise of the untraditional burial in the narthex of a monastery, the team of archaeologists also found an engraved cross over a marble capital, the image of which is characteristic for the IX-X century. “Before we believed that the monastery was dated back to the XIII century, which was proved by a written material about its restoration. The cross and the marble pillar of the altar bar make us believe that the bottom chronological line of monastery’s establishment dates back to the X century. Another interesting thing we found is a piece of inscription, which was found around 25 years ago and which Academician Vasil Gyuzelev published. [...]