Exodus 30:13
And this is what they are to give; let every man who is numbered give half a shekel, by the scale of the holy place: (the shekel being valued at twenty gerahs:) this money is an offering to the Lord.And this is what they are to give; let every man who is numbered give half a shekel, by the scale of the holy place: (the shekel being valued at twenty gerahs:) this money is an offering to the Lord.