 This is a Bloomberg Money Minute. Well, if you have some gold coins in the back of a drawer or one of those gold bars from Costco under your mattress, it's worth a lot more than it was a year ago. And it looks like a lot of people have been buying Costco's one ounce Swiss Lady Fortuna Versa can gold bars online lately. Gary Miller Champ, executive VP and CFO at Costco. Total e-commerce sales growth in the quarter was led by gold and silver bullion, gift cards and appliances.