This is a “terrace” or “kiva” bowl by Tse-Pe and Dora.  It is from 1978. The name of the shape is derived from the terraced shape of the rim which is meant to represent a mesa or mountain form.  The bowl does not have any design but is beautifully constructed, highly polished and a dark black. It is signed on the bottom in the clay “Tse-Pe and Dora”.    It is in excellent condition with no chips, cracks, restoration or repair.   Tse-Pe and Dora worked individually from the 1980-2000, but their early collaborative work remains innovative, creative and of the highest quality even compared to many of today’s potters.