Just for you to have a look at some great ideas made in the Netherlands:
* https://commons.wikimedia.org/wiki/File:Wiki_loves_Monumints_with_mints.JPG * https://commons.wikimedia.org/wiki/File:Wiki_loves_Monumints_mintcontainer.J... * https://commons.wikimedia.org/wiki/File:Wiki_loves_Monumints_a_lot.JPG
Enjoy!