Matthew 26:15; Matthew 27:3; Matthew 27:9

15 And said unto them, What will ye give me, and I will deliver him unto you? And they covenanted with him for thirty pieces of silver.
3 Then Judas, which had betrayed him, when he saw that he was condemned, repented himself, and brought again the thirty pieces of silver to the chief priests and elders,
9 Then was fulfilled that which was spoken by Jeremy the prophet, saying, And they took the thirty pieces of silver, the price of him that was valued, whom they of the children of Israel did value;