Want to know how to spot that valuable thrift store find? Don't know what to look for when cleaning out Grandma's attic or when you are downsizing? It's a common question and Dr. Lori provides secrets to spot those prints, posters, silver and ceramics that are valuable. Don't rely only on marks or signatures. They could fool you. You must read this article so you aren't throwing away a valuable or walking past it at a thrift store.