Dutch Lion - a dutch mystery coin

The Dutch Lion is a mystery coin which was introduced at the end of 2008, it was dropped in caches and sent by mail to several geocachers.
At that time a thread in the geocaching.com forum was used to talk about the coin. You can read about it here
The coin is in antique bronze finish, the number of coins made is 100.
The coins are not trackable at geocaching.com, it is possible to write a log at the dutch lion website