Unstandardized choropleth maps go the opposite direction of standardized maps, they do not have a ranking or order to their data, merely displayed data. This makes them far less common or used as they can be more involving for the reader to understand.
Found - http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/US_Map_Same_Sex_Marriage_Laws.png/800px-US_Map_Same_Sex_Marriage_Laws.png
