Reference for Temurah 17:53

מעיקרא אמר להן ר"ש מן והיה הוא ותמורתו וכי חזא דדרשי רבנן מבהמה בבהמה אמר להם איהו

of a thing which is not his? - One can still maintain that the case is of a consecrated animal belonging to another person and his own hullin and when e.g. , the owner of the consecrated animals says: 'Whoever wishes to exchange with this animal may come and do so'.<span class="x" onmousemove="('comment',' In such circumstances the Biblical text informs us that the substitute is sacred although there is a prohibitory law against the act.');">³⁸</span>

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