Watch List notes:

CRUSADER IMITATIONS OF ARABIC COINS. KINGDOM OF JERUSALEM. Arabic Silver Struck after the Papal Interdict of 1251. Half dirham 1251 AD, ('Akkâ), a second specimen from a different pair of dies with a clear central point on both sides. Balog/Yvon 46; Slocum coll. 309. 1.39 g. Very rare.
Very fine

Ex Münzen und Medaillen AG, Basel, list 372, 1977, no.192.