The complete set in detail

F5733B
Sc. 4870
Marianne and the Youth : Datamatrix - Priority mail 20 gr. Europe, blue, selfadhesive stamp (from sheet of 50 stamps)

F5734B
Sc. 4871
Marianne and the Youth : Datamatrix - Priority mail 20 gr. for the whole world, violet, selfadhesive stamp (from sheet of 50 stamps)