Behind his head are the two Greek letters chi and rho and that tells me at once who he is, because they're the first two letters of the word Christos, and this is in fact Christ.

在他方还有两个希腊字母chi和rho, 让们立刻了解了名男子的身：希腊文christes的首字母，而们所看到的正耶稣最早的图像之一。