Watch List notes:

SALGHURIDS: Abu Bakr, 1231-1260, lead fals (6.86g), [al-Bahrayn], ND, A-C1928, Salghurid tamgha // atabeg abu bakr, tamgha illegible, most of inscription clear, crude Fine, RRR. Found only on the island of al-bahrayn. See Nicholas Lowick, "Trade patterns on the persian gulf in the light of recent coin evidence", Near Eastern Numismatics, Beirut 1974.

Estimate: 80-100 USD