This is a 996 A.D. – 1020 A.D. Islamic Gold Dinar (Cairo). Misr is where the mint was at that time (currently that area is the city of Cairo). 387 is the year on the coin. AH is their year system, like the current AD year system. (The ruler Al Hakim ruled from 996 to 1020 AD). The year 387 AH is about 997 AD. The coin is cataloged as being the same as BMC IX 72t. British Museum Catalog number 9. Coin example 72t pictured in the catalog.
