Leviticus 27:3 in the King James Version
And thy estimation shall be of the male from twenty years old even unto sixty years old, even thy estimation shall be fifty shekels of silver, after the shekel of the sanctuary.
Context
2 “Speak to the children of Israel, and say to them, ‘When a man consecrates a person to the LORD in a vow, according to your valuation,
3 your valuation of a male from twenty years old to sixty years old shall be fifty shekels of silver, according to the shekel of the sanctuary.
4 If she is a female, then your valuation shall be thirty shekels.