(Updated 3/25/14 with better pictures)
I went to a local thrift store yesterday that I hadn't been to since probably last summer. It's way on the other side of town, but I happened to be driving by it yesterday after catching a matinee movie, so I decided to stop in. I saw this plate:
But...my mom held it for about 2 seconds and said it didn't feel like depression glass to her, it was too heavy and sharp. :(
My mom has a book on depression glass, and I looked through the book as my mom looked on the internet trying to figure out what the pattern was. We finally found a plate that looked identical--the Federal Glass company's Madrid pattern in amber. Here is a close up of the pattern:
I found it.