Exodus 34:29 Young's Literal Translation Of The Holy Bible (YLT98)

And it cometh to pass, when Moses is coming down from mount Sinai (and the two tables of the testimony [are] in the hand of Moses in his coming down from the mount), that Moses hath not known that the skin of his face hath shone in His speaking with him,

Exodus 34

Exodus 34:20-35