Leviticus 27:4 in the King James Version
And if it be a female, then thy estimation shall be thirty shekels.
Context
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.
5 If the person is from five years old to twenty years old, then your valuation shall be for a male twenty shekels, and for a female ten shekels.