Midrashic text, probably Midraš Psalms (Midraš Tehillim or Šoḥer Ṭov), quoting parts of 2 Samuel 19:44 on one side, with an extended quotation from PT Yevamot, on the other.
"The original materials are currently held at Cambridge University, on a long-term loan until 2026.".
Supported by