DrAzzy:
If it's a fake, it's a damned convincing one. They even have the special PTC fuse. I suspect it's legitimate.It lists an Arduino.org.cn name - making me think that the deal/packaging dates to when arduino.org and arduino.cc were separated and litigating. I'm not sure what the status of that thing is now.
Litigation ended: A new era for Arduino begins today | Arduino Blog
.