Pablo Picasso of postcards to raise funds for the Spanish Republican cause. In 1944, Picasso joined the French Communist Party, attended the World Congress of Intellectuals in Defense of Peace in Poland, and in 1950 received the Stalin Peace Prize from the Soviet government. Party criticism in 1953 of his portrait of Stalin as insufficiently realistic cooled Picasso's interest in Soviet politics, though he remained a loyal member of the Communist Party until his death. His dealer, D-H. Kahnweiler, a socialist, termed Picasso's communism "sentimental" rather than political, saying "He has never read a line of Karl Marx, nor of Engels of
Pablo Picasso as Henri Matisse, with whom he had exchanged works. Since Picasso left no will, his death duties (estate tax) to the French state were paid in the form of his works and others from his collection. These works form the core of the immense and representative collection of the Musée Picasso in Paris. In 2003, relatives of Picasso inaugurated a museum dedicated to him in his birthplace, Málaga, Spain, the Museo Picasso Málaga. The Museu Picasso in Barcelona features many of his early works, created while he was living in Spain, including many rarely seen works which reveal his firm