(2) Any entrusting of possession of goods to a merchant who deals in goods of that kind gives him power to transfer all rights of the entruster to a buyer in ordinary course of business
We need to know more about how the seller acquired the goods. Often such ebay sales are by people who had legitimate possession, just not any right to sell them. This is why experimental and demo electronics aren't normally investigated as stolen goods. Nobody should be selling them, nobody had the right to sell them, but a great many merchants do legitimately possess them.
