In response , his vizier Ahmed al - Khalidi proposed the introduction of a recent Chinese invention called Chao ( paper money ) .
In 1294 , Gaykhatu wanted to replenish his treasury emptied by royal extravagance and a great cattle plague .
In response , Gaykhatu 's vizier Ahmed al - Khalidi proposed the introduction of a recent Chinese invention called Chao ( paper money ) .
In 1294 , Gaykhatu wanted to replenish his treasury emptied by royal extravagance and a great cattle plague .