Reference for Bava Batra 90:7

והא את הוא דאמרת המפקיד אצל חבירו בעדים צריך לפורעו בעדים אמר ליה הדרי בי

We must suppose therefore that there are no witnesses, and nevertheless if he sees the article he can seize it?<span class="x" onmousemove="('comment',' Which shows that the 'seeing' is the essential point, and not the delivery in the presence of witnesses. ');">⁷</span>

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