If you drove through Hemlock a few weeks ago, you would see this at the corner of Elm and Gratiot, a brick building which used to be the town post office. But Butch and Amy Krueger had an idea.

When she was leading the rehab of Chicago’s Old Main Post Office, Sheryl Schulze was working with a giant, antique canvas, a 2.5 million-square-foot Art Deco landmark.