Zimbabwe's central bank will start selling gold coins later this month to try and tame inflation by providing a store of value to the country's plunging currency and giving the population an alternative to the U.S. dollar. The one troy ounce 22-carat gold coin will be called 'Mosi-Oa-Tunya' and will be available starting July 25. The name means "Smoke that Thunders," referencing Victoria falls. "Each coin will have a serial number," Zimbabwe's central bank said in a press release. "Upon purchase, the buyer shall take physical possession of the coin and be issued with a Bearer Ownership Certificate. The buyer...