sentences:  Excavating the upper towers of the fortification wall on top of Kuh-e Rahmat (Mountain of Mercy), excavators found sealed uninscribed Achaemenid Bullae.From a group of 52 uninscribed sealings, some impressions were similar to the sealings found in the Persepolis Treasury Archive.Future excavations in the areas currently unexcavated, such as the southeastern part of the Persepolis terrace and mountain fortifications, might yield other archives.