Reference for Bekhorot 35:36

מת אחד מהן רבי טרפון אומר

So although it had not reached the priest's hands, it is as if it had reached his hands and he had sold it to the Israelite when blemished.<span class="x" onmousemove="('comment',' And then the priest received something in return, i.e the other animal, and a priest who sold a firstling to an Israelite is, according to the ruling (supra 12b) exempt from the priest's gifts.');">¹²</span>

Jastrow

Jastrow

Jastrow