A pair of Mettlach Art Nouveau ceramic circular wall plaques, by Hein, one incised with a mermaid resting asleep against a clam shell, in a lagoon filled with fish and surrounded by irises and reeds, the other with a mermaid and her child rising out of the open clam, in shades of blue, gree, ochre and brown, impressed 2507 and 2508, 98 20, signed on the front -- 44cm. diam.; and two other items