Reference for Yevamot 231:2

מאי אמרת דלמא מסר ליה אותיות נקנות במסירה

if that of a deposit,<span class="x" onmousemove="('comment',' That the holder of the note is not its owner, but only keeper or trustee for another man of the same name as his. ');">⁴</span> since the name of the one is like that of the other the former does not entrust the latter with such a deposit;<span class="x" onmousemove="('comment',' Since he knows full well that the keeper might at any moment claim to be the creditor. ');">⁵</span> what then can be said?<span class="x" onmousemove="('comment',' In justification of the assumption that the man producing the note is not the real creditor. ');">⁶</span>

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