Robyn, Max Martin, Avicii, Seinabo Sey and some other Swedish music types have all been immortalised on stamps created by Postnord (who as you well know are the postal company run by the Danish and Swedish governments).
MAX MARTIN ON A STAMP!
Pitchfork report that the stamps will be available to purchase on January 15, and you can see the full range of them by clicking here.
God bless you Sweden!