According to Costco, the one-ounce bars come from South Africa's Rand Refinery, contain 999.9 percent pure gold, and are "individually stamped with a unique serial number." In a recent earnings ...

The bars are Swiss-made and made up of 999.5 pure platinum, Costco said. Like the gold bars that proved to be a huge commodity for Costco, selling over $100 million worth in one quarter alone ...

A 1 oz. 24-karat gold bar from South African company Rand Refinery or PAMP Suisse cost about $1,950 and $1,980, respectively Kimberlee Speakman is a digital writer at PEOPLE. She has been working ...

But which type of precious metal is best during periods of high inflation — gold, silver or something else entirely? Find out how to add gold to your portfolio today. Experts say gold is usually ...