Trespass offering: Consisted of a Ram Without Blemish
Source: TTT
Leviticus 5:15
“If someone acts unfaithfully and sins unintentionally against any of the LORD’s holy things, he must bring his guilt offering to the LORD: an unblemished ram from the flock, of proper value in silver shekels according to the sanctuary shekel; it is a guilt offering.
Leviticus 6:6
Then he must bring to the priest his guilt offering to the LORD: an unblemished ram of proper value from the flock.