TEHRAN -- The latest free market (unofficial) rates of major foreign currencies and price of gold announced on Sunday are as follows: Currency Rate Change U.S. dollar Rls.8,190 unchanged German mark Rls.3,180 -40 rials British pound Rls.12,100 -150 rials ******* U.S. dollar (bought from exporters) Rls.8,159+1 rials Euro (bought from exporters)Rls.7,386 -161 rials ***** Gold Coin Price Change Full Bahar-e AzadiRls.565,000 -10,000 rials Half " " Rls.375,000 +8,000 rials Quarter " " Rls.220,000 unchanged ****** Gold Price Change (0.750) 1 gram Rls.55,800 -900 rials