This lovely early Ming xuan-de pitcher had old cracks in the handle and the spout support. We sealed these cracks first to give as much strength as possible to its slender curves, then we filled and airbrushed the cracks, recreating the spreading softness that the underglaze blue cobalt glaze acquires when it is fired. It is a challenge to soften these color edges, and to perfectly recreate the subtle range of blue shades that the cobalt takes on as it ...