Just in, Fatimid Rulers of Egypt AV Dinar AH504=1110AD Misr (Cairo) mint Caliph Al-Amir 1095-1130 (around time of First Crusade)
The gold content at this time in Fatimid coinage was around 24 carat/ .999+ The coin came from a small hoard, this example was GEM MS I think all the coins were from Al-Amir diff. dates.