Click to enlargeNOTE: Ground Bottom.  Snowball Earth on Porcelain

4.75" x 3.25"

A play with whites; interior is shiny, top exterior is matte, lower exterior is Namibian rock powder that reports Earth covered in glaciers 600 million years ago. Aqua seaglass thumbwell.

Of 13 porcelain mugs like this 6 survived -- this needed to be ground at the bottom.