Exodus 34:34 is the OT scene Paul references: Moses removed his veil when entering the Lord's presence, prefiguring the veil removed when turning to Christ.

Isaiah 25:7 prophesies God destroying the veil over all nations — the same veil Paul says is removed when one turns to the Lord.

Jeremiah 31:34 describes the new covenant where all know God directly — the unveiled reality when one turns to the Lord.

Hosea 3:5 says Israel will return and seek the Lord in latter days — exactly the turning to the Lord that removes the veil.

Romans 11:25-27 explains Israel's partial blindness until the fullness of Gentiles, then all Israel saved — same veil removal when they turn.

Deuteronomy 30:2 calls for returning to the Lord with all heart — the same turning that removes the veil in 2 Corinthians 3:16.

Acts 9:35 reports people turning to the Lord after a miracle — the same action that in 2 Corinthians 3:16 lifts the veil.

Acts 26:20 describes Paul preaching repentance and turning to God — the very turning that removes the veil in 2 Corinthians 3:16.

John 6:45 cites the prophecy that all will be taught by God — this teaching is accessed when the veil is removed.

Deuteronomy 4:30 calls Israel to turn to the Lord in distress — the same turning that removes the veil in 2 Cor 3:16.