IRAN. Gold & Silver Proof Set (9 Pieces), SH 1350 (1971). Average Grade: GEM CAMEO PROOF.KM-PS2 (KM-1184 through KM-1192 individually). 1.6021 oz AGW. A beautifully produced and packaged set, struck to celebrate the 2500th anniversary of the Iranian monarchy. Only light tone exists on the silver coins (25, 50, 75, 100 and 200 Rials) and the gold (500, 750, 1000 and 2000 Rials) is similarly choice.