Exodus Chapter 4, Verse 6
From BibleWiki
6: And the LORD said furthermore unto him, Put now thine hand
into thy bosom. And he put his hand into his bosom: and when
he took it out, behold, his hand was leprous as snow.
6: And the Lord said again to him, Put thine hand into thy bosom; and he put his hand into his bosom, and brought his hand out of his bosom, and his hand became as snow.
The Second Sign. - Moses' hand became leprous, and was afterwards cleansed again. The expression כּשּׁלג מצרעת, covered with leprosy like snow, refers to the white leprosy (vid., Lev 13:3).

