Is Costco's Wagyu Beef Authentic? - Chowhound

The Image Party/Shutterstock Is there anything Costco doesn't have? From some of the best produce to stock up on to the cheapest rotisserie chicken around, there isn't a lot that you can't find there. In fact, Costco even claims to sell one of the most sought-after types of steak: Wagyu. But is it the real deal? Now authentic Wagyu beef is pretty hard to find because it can only come from four types of Japanese…