Rosenthal Porcelaine noire Studio Line Germany Bjorn Wiinblad.. Hand painted 20th century second half. Producer, Bjorn Wiinblad is a Danish artist, designer, set designer and painter. "...From 1946 to 1956 he was chief designer at the Associated Nym’ll Fajancefabrik, in addition he was a poster designer at the American Embassy in Paris from 1947 and then in 1950 working for the Marshall Plan in Paris.