I'm excited to see all the great designs. We just want to make everyone aware to try to consider this as a black and white project. As you can see from the coin images all details will be struck to the same depth, thus having a struck area or raised area. As you can see there can be some fine lines or text within the raised area and there can certainly be some fine details. Here are a few more examples of coins created with a 2d die and please don't hesitate to reach out to use further for any guidance. Full size images here