Niessen de Vries a Dutch graphic design duo of Richard Niessen Esther de Vries. They have an amazing collection of inspirational typographic works, some of my favourite examples are below, but there are many more on the Niessen de Vries website.
Your source of original Polish Posters. Site selling original Polish posters directly from Poland. Site is owned by real Poster Gallery which sell original, vintage posters and new posters designed by Polish Poster artist.