Leviticus 27:25
And all your estimations shall be according to the shekel of the sanctuary: twenty gerahs shall be the shekel.
ā The Restored Word Bible
Context
23 Then the priest shall reckon unto him the worth of your estimation, unto the year of the jubile: and he shall give your estimation in that day, a holy thing unto the Yahuah.
24 In the year of the jubile the field shall return unto him of whom it was bought, to him to whom the possession of the land .
25 And all your estimations shall be according to the shekel of the sanctuary: twenty gerahs shall be the shekel.
26 Only the firstling of the beasts, which should be the Yahuah'S firstling, no man shall sanctify it; whether ox, or sheep: it the Yahuah'S.
27 And if of an unclean beast, then he shall redeem according to your estimation, and shall add a fifth of it thereto: or if it be not redeemed, then it shall be sold according to your estimation.