Leviticus 27:6
But if the child is between one month and five years of age, then your valuation shall be five shekels of silver for the male and three shekels for the female.
Numbers 3:40-43
Then the Lord said to Moses, “Number every firstborn male of the Israelites from a month old and upward, and
Numbers 18:14-16
Every devoted thing in Israel [everything that has been promised to the Lord with an oath] shall be yours.
Treasury of Scripture Knowledge
Summary
And if it be from a month old even unto five years old, then thy estimation shall be of the male five shekels of silver, and for the female thy estimation shall be three shekels of silver.
Bible References
From
Numbers 3:40
Then the Lord said to Moses, “Number every firstborn male of the Israelites from a month old and upward, and make a list of their names.
Numbers 18:14
Every devoted thing in Israel [everything that has been promised to the Lord with an oath] shall be yours.