Leviticus 27:6
If the person is from a month old even to five years old, then your valuation shall be for a male five shekels of silver, and for a female your valuation shall be three shekels of silver.
Numbers 3:40-43
Yahweh said to Moses, "Number all the firstborn males of the children of Israel from a month old and upward, and take the number of their names.
Numbers 18:14-16
"Everything devoted in Israel 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
Yahweh said to Moses, "Number all the firstborn males of the children of Israel from a month old and upward, and take the number of their names.
Numbers 18:14
"Everything devoted in Israel shall be yours.