Leviticus 27:1-3 New Revised Standard Version, Anglicised (NRSVA)
27 The Lord spoke to Moses, saying: 2 Speak to the people of Israel and say to them: When a person makes an explicit vow to the Lord concerning the equivalent for a human being, 3 the equivalent for a male shall be: from twenty to sixty years of age the equivalent shall be fifty shekels of silver by the sanctuary shekel.
Leviticus 27:1-3 New International Version (NIV)
Redeeming What Is the Lord’s
27 The Lord said to Moses, 2 “Speak to the Israelites and say to them: ‘If anyone makes a special vow to dedicate a person to the Lord by giving the equivalent value, 3 set the value of a male between the ages of twenty and sixty at fifty shekels[a] of silver, according to the sanctuary shekel[b];