Polish Pottery 110/D90 Boleslawiec Stoneware Pottery Plate, 11-Inch, Blue Microwave dishwasher freezer and oven safe up to 500 Degree safe to use with food lead and cadmium free chip and crack resistant easy to clean Made of out stoneware painted by hand using sponges and brushes covered with hard and lustrous glaze that is scratch resistant fired in 2280f Made in Boleslawiec, Poland region famous for its high quality ceramics history of making pottery in the region dates back to 14th century Premium quality European stoneware certified to be quality 1 selection Unikat signature pattern d90 autographed by the artist style 110 Measures 1.38 Inches high by 11.38 Inches Long by 11.38 Inches wide made by or for Ceramika bona in Boleslawiec style s186e pattern p6340a