The Polish <a href="//commons.wikimedia.org/wiki/Category:Barnstars_of_National_Merit" title="Category:Barnstars of National Merit">Barnstar of National Merit</a>.
<a href="//commons.wikimedia.org/wiki/User:Odder" title="User:Odder">odder</a> (the flag) and <a href="//commons.wikimedia.org/wiki/User:Ssolbergj" title="User:Ssolbergj">Ssolbergj</a> (the barnstar)
CC BY 3.0
Based on <a href="//commons.wikimedia.org/wiki/File:European_Merit_Barnstar_of_the_EU.svg" title="File:European Merit Barnstar of the EU.svg">this file</a> originally created by <a href="//commons.wikimedia.org/wiki/User:Ssolbergj" title="User:Ssolbergj">Ssolbergj</a>.