Grands Prix de L'art Philatelique Belge for the most beautiful engraved stamp issued in the European Union in 2011, Brussels 2012 for the issue: " 100th anniversary of the Nobel Prize in Chemistry for Maria Skłodowska-Curie", 2011 joint issue with Sweden, graphic design: Marzanna Dąbrowska, engraving: Piotr Naszarkowski
