Stockholm Design Lab participated in the competition for the redesign of the Swedish currency. Unfortunately, their design was not chosen. They put up a PDF together to explain their process. You can see some images of their proposal on this post, the last image is the (ugly) chosen new currency.
About the Author
Mirko Humbert
Mirko Humbert is the editor-in-chief and main author of Designer Daily and Typography Daily. He is also a graphic designer and the founder of WP Expert.