Numbers 18:16
And those that are to be redeemed from a month old shall you redeem, according to your estimation, for the money of five shekels, after the shekel of the sanctuary, which twenty gerahs.
ā The Restored Word Bible
Context
14 Every thing devoted in Israel shall be your.
15 Every thing that openeth the matrix in all flesh, which they bring unto the Yahuah, of men or beasts, shall be your: nevertheless the firstborn of man shall you surely redeem, and the firstling of unclean beasts shall you redeem.
16 And those that are to be redeemed from a month old shall you redeem, according to your estimation, for the money of five shekels, after the shekel of the sanctuary, which twenty gerahs.
17 But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, you shall not redeem; they holy: you shall sprinkle their blood upon the altar, and shall burn their fat an offering made by fire, for a sweet savour unto the Yahuah.
18 And the flesh of them shall be your, as the wave breast and as the right shoulder are your.