Previously on en:wikipedia, now moved to Commons. Note that the licence has moved from GDFL to the freer PD-All Rights Disclaimed; and that the image itself has been reprocessed.
I, the author of this work, hereby release it into the public domain. This applies worldwide.
In case this is not legally possible: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.