'Thirty Pieces of Silver' in the Bible

and said - What are ye willing to give unto me? and, I, unto you, will deliver him up. And they appointed him thirty pieces of silver.

Then, Judas who had delivered him up, seeing that he was condemned, being smitten with remorse, returned the thirty pieces of silver unto the High-priests and Elders,

Then, was fulfilled, that which was spoken through Jeremiah the prophet, saying: And they took the thirty pieces of silver, as the value of him whom they had valued, whom they had valued, of Israel's sons, -