Watch List notes:

Crusader States, Latin Kingdom of Jerusalem. Anonymous. 1243-(?)1250. AR 1/2 dirham (Imitating a dirham of the Ayyubid as-Salih Ismai'il. Acre (or perhaps Tripolis) mint, but with mint name 'Damascus'. Bates type I; Metcalf 222-6; CCS 4. VF, light deposits on obverse. 

From the Kenneth Miller Collection of Ake-Ptolemaïs and Related Biblical Coins.