Rare Ming Dynasty ewer resp. pouring vessel in the shape of a duck. The piece is not really a Sancai, because Sancai means 3 colours, and this duck is just in a very nice green. Erthenware with lead glaze. There is a - not simmilair, but compareable piece in the book : Oriental Trade Ceramics in South - East Asia ( John S. Guy ) page 103, Nr.91.
This piece is described as : South China, possibly Fujian, Ming Dynasty, fifteenth to early sixteenth centuries. Please look also : Exhibition of Chinese Art, London 1935, Nr. 1938 - Zimmermann, 'Chinesisches Porzellan', 1923, Vol. II, Tafel 47 aus den staatlichen Kunstsammlungen in Dresden
The condition is nice - there is no repair, just the lead glaze is a littlebit gone, and there is a small lost at the bill.
The piece is 23,5 cm. high.