It was only a single black and white image. Found at the Caseville Historical Museum it’s faded and somewhat over developed but it clearly shows the name; Caseville Mercantile. The problem is that there is no mention of this store in the typical public records. We are still trying to identify if the building exists today.
Since our online store ThumWind-Mercantile also uses a similar name we are intrigued. If any of our readers have more information. Let us know.