Have you seen these things? We are selling them at Annie's Art and Frame, where I work. The Chicago designer does it all by herself. The design is so simple and effective.
They have been selling out weekly. I hear they are extremely hot in Brooklyn as well. I love the Great Lakes, being a Michigander (living in Seattle) and all. She just added two new screenprint color options. I've added a few images here. See more at www.orkposters.com.