CK.EU Trademark problem, worth anything?

[CKDomains]

Hi,
I just registered my second domain. CK.eu. I know that extensions are not worth much, however i could not resist because these were my initials and it's just 2 letters.
Now I wonder, there is a somewhat more famous CK than me and probably also trademarked. WIll I be ok, as long as I dont market any underwear or clothes on it?
The second question is, is .eu worth anything, even if it's just 2 letters?

 

[Kate]

Are you sure you own this domain ?

WHOIS search
ck.eu: Blocked
What this means

This domain name is not available for registration.
If you believe you have the right to a .eu domain name that is already registered, you may dispute the registration
DomainName ck
Status BLOCKED (What this means)


Read our WHOIS policy

http://www.eurid.eu/en/whois-search

Blocked This domain name is unavailable for registration because it has been blocked by either the EU Member States or the EU institutions. See here for more information.

Blocked and reserved names
Blocked names

Certain .eu domain names have been blocked by the EU Member States or the EU institutions. This means that they may not be registered.

Many two-letter country codes, such as BE for Belgium or DE for Germany, have been blocked as well. You can view the list of blocked names here. The list is not exhaustive and does not contain the blocked two-letter country codes.
...

http://www.eurid.eu/en/get-eu/tips-registering-your-eu/blocked-and-reserved-names

 

[CKDomains]

err ok i just made a call and obviouly they sold me a domain they did not have. Got my money back ... sad =(
the registrar was checkdomain.de.