org/wiki/File:Team_Barnstar_Hires.png, “BarnstarBarnstarHires” By Antonu,
available under CC BY 3.0, https://commons.wikimedia.org/wiki/File:Barnstar_Barnstar_Hires
3.0
PreisFeeGold.png: concept without colours by Anka
Friedrich; Silverwiki.png, Goldenwiki_1.5.png, Goldenwiki.png Silverwiki Hires.svg: concept of circle