shop › cobalt speckle mug Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 cobalt speckle mug $45.00 sold out hand-splattered cobalt speckle on white stoneware. glossy finish with a chunky handle.(microwave and dishwasher safe.) Sold Out Added! hand-splattered cobalt speckle on white stoneware. glossy finish with a chunky handle.(microwave and dishwasher safe.)