The 1-ounce platinum bars are available online now to members. This isn't the first time the store has sold precious metals.

The Northern Miner is pleased to announce the winners of our first ever gold and silver and giveaway! There were three prizes ...

Costco began selling one-ounce gold bars last year and now members of the warehouse club can purchase silver coins as well ... The change is effective September 1. The new Costco fee for non ...