Polish Pottery Coffee Mug 11 Oz. From Zaklady Ceramiczne Boleslawiec #1193-117 Art Unikat Signature Pattern, Capacity: 11 Oz. Dimensions: Height: 4" Diameter: 3.5" Capacity: 8.5 oz. Each piece of Polish Stoneware is handmade and hand-painted. Origin: Boleslawiec, Poland Use&Care: Polish Pottery is oven- dishwasher- stove- and microwave oven safe, lead and cadmium free, resistant to chip. Signed by Artist