Here in Huntsville Al we often find neat items from Germany at Estate Sales. That is because the Wernher Von Braun team came here in the 1950's to work on the space program. There is a good chance this piece pre-dated WW II but I don't know for sure. Post WWII usually has W. Germany on it.
Anyhow, here you go. It measures 7" by 7" and is 2" deep. I call it a candy dish but I'm no expert.