IRAN. Gold & Silver Proof Set (9 Pieces), SH 1350 (1971). Gold: All PCGS Gold Shield Certified; Silver: GEM CAMEO PROOFKM-PS2 (KM-1184 through KM-1192 individually). 1.6021 oz AGW. Struck for the 2,500th anniversary of the Iranian monarchy. The silver denominations (25, 50, 75, 100 and 200 Rials) remain in the box of issue, while the gold denominations (500, 750, 1000 and 2000 Rials) are all graded by PCGS. Their grades are as follows:1) 2000 Rials. PCGS PROOF-67 Deep Cameo.2) 1000 Rials. PCGS PROOF-68 Deep Cameo.3) 750 Rials. PCGS PROOF-66 Deep Cameo.4) 500 Rials. PCGS PROOF-69 Deep Cameo.