With thy estimation. — That is, according to the official valuation; the ram is to be so grown up as to be worth two shekels. (See Leviticus 5:15.)
Related Commentaries of Leviticus 6:6
Leviticus 6:6
6 And he shall bring his trespass offering unto the LORD, a ram without blemish out of the flock, with thy estimation, for a trespass offering, unto the priest: