William De Morgan tile
From the Chelsea period, 1872-1882. On an unmarked Dutch blank, but the original design is in the Victoria and Albert Museum archive, so no doubt about the maker.
Art Nouveau - short and violent
Art Nouveau (Art Nouveau) was a popular art movement between 1890 and 1914. It was “New Art” with a very short flowering period, but very intense. You saw it everywhere, in buildings, furniture,