B&C Polish Pottery Tea Cup Gu775 Gat 1 - is the best quality; there aren't any defects in the pottery whatsoever Polish Pottery is hand crafted with pride at many small manufacturing companies in Boleslawiec, Poland All of the pieces are hand painted, using sponge stamp and brushes to paint the art on each piece All of the patterns are hand-cut by the artists in the sponge and then they use the sponges and brushes to apply the unique pattern to each piece. Microwave, Oven, and Dishwasher safe!