Islamic Coins, A collection of four glass jetons and weights: A Fatimid glass weight in pale green colour, 6.45g, two dirhams. A Fatimid glass weight in dark green colour, 5.10g, one Dirham. An Abbasid glass weight in dark blue colour, 10.22g. An Abbasid glass weight in pale green colour, 13.25g. A Byzantine, glass jeton, anonymous, deep blue, wt. 7.65g.