TEHRAN -- The latest open market (unofficial) rates for major foreign currencies and prices of gold are as follows: Currency Rate Change U.S. dollar 1 Rls.7,990 unchanged (EU) euro 1 Rls.7,560 -10 rials British pound 1 Rls.11,550 +180 rials +++ +++ +++ Gold Coin Price Change Full Bahar-e Azadi (new) 1 Rls.597,000 -3,000 rials Full Bahar-e Azadi 1 Rls.638,000 -6,000 rials Half Bahar-e Azadi 1 Rls.330,000 unchanged Quarter Azadi 1 Rls.205,000 unchanged +++ +++ +++ Gold Price Change (0.750 or 18 ct) `methqal' 1 Rls.279,800 -500 rials (0.750 or 18 ct) gram 1 Rls.60,700 -100 rials NB: 217 methqals = 1kg