What does Leviticus 27:19 say in the KJV?

And if he that sanctified the field will in any wise redeem it, then he shall add the fifth part of the money of thy estimation unto it, and it shall be assured to him.

Instructions regarding the redemption of a consecrated field with added valuation.

King James Version (public domain)

Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him

Context

17If he sanctify his field from the year of jubile, according to thy estimation it shall stand.

18But if he sanctify his field after the jubile, then the priest shall reckon unto him the money according to the years that remain, even unto the year of the jubile, and it shall be abated from thy estimation.

19And if he that sanctified the field will in any wise redeem it, then he shall add the fifth part of the money of thy estimation unto it, and it shall be assured to him.

20And if he will not redeem the field, or if he have sold the field to another man, it shall not be redeemed any more.

21But the field, when it goeth out in the jubile, shall be holy unto the LORD, as a field devoted; the possession thereof shall be the priest’s.