[Varda]

Bad headline, It should be:
"Archaeologists in Turkey discover early Christian fresco depicting Jesus "
or
Archaeologists discover early Christian fresco in Turkey depicting Jesus "

I agree that it's Roman looking. I saw some early Christian art in Rome that was similar.

[Adder]

Yet by the 500-1000’s approx, he was depicted very differently, with beard and longer hair.

See for example Byzantine churches and St. Mark’s mosaics in Venice.