Kingdom of Iran, Mohammad Reza Pahlavi (1941-1979), Persian Empire - 2,500 years of the Iranian monarchy, limited edition blue leather case, 1971 (SH 1350), containing : - 2,000 rials in .900 gold, diam. 4 cm, 26 g.- 1,000 rials in .900 gold, diam. 3 cm, 13 g.- 750 rials in .900 gold, diam. 2.6 cm, 9.7 g.- 500 rials in .900 gold, diam. 2.1 cm, 6.4 g.- 200 rials in .999 silver, diam. 5 cm, 60.2 g.- 100 rials in .999 silver, 3.8 cm diameter, 30.2 g - 75 rials in .999 silver, 3.4 cm diameter, 22.7 g - 50 rials in .999 silver, 3 cm diameter, 15.1 g - 25 rials in .999 silver, 2.6 cm diameter, 7.5 g.