Genesis 23:15
"Sir, listen to me! The land is worth 400 shekels of silver, but what's that between us? You may bury your dead."
Ezekiel 45:12
The shekel is to weigh 20 gerahs. The mina is to be comprised of three coins weighing 20, 25, and fifteen shekels, respectively.'"
Exodus 30:13
This is what everyone who is registered is to give: half a shekel according to the shekel of the sanctuary (the shekel weighs 20 gerahs), half a shekel as a contribution to the LORD.
Exodus 30:15
The rich person is not to give more, nor is the poor person to give less than the half shekel, when you give a contribution to the LORD to make atonement for yourselves.