Over at VVV tourist information office, on the ground floor of the Central Library, you can find a rather special looking keychain of ‘Girl with the pearl earring’:
It looks pretty cool, although I can’t help but think she looks a bit annoyed at someone (in my opinion the shape of the dark brown eye piece makes it look like she is frowning).
Here’s a look at the actual painting on Wikipedia to compare.
Life in the Hague 