Related for Shevuot 76:12

מנה לי בידך אמר לו הן למחר אמר לו תנהו לי נתתיו לך פטור אין לך בידי חייב

- 'YOU HAVE OF MY FATHER'S A HUNDRED DENARII.'<span class="x" onmousemove="('comment',' I.e., 'l believe you have, but I am not sure'; v. infra 42b.');">²⁶</span> - 'I HAVE OF HIS ONLY FIFTY DENARII.' HE IS EXEMPT, BECAUSE IT IS AS IF HE RESTORES A LOST OBJECT.<span class="x" onmousemove="('comment',' For he could have denied it all, since the son who claims is himself doubtful.');">²⁷</span>

Tosefta Sotah