Corona di Spine (Crown of Thorns), 2024, raku clay, 9.9 x 10.2 x 10.2 cm. / 3.8 x 4 in.

Corona di Spine (Crown of Thorns), Janna Carter, 2024, raku clay, 9.9 x 10.2 x 10.2 cm. / 3.8 x 4 in.

Terra Sigillata, which means ‘sealed earth’, was used by the ancient Greeks and Romans in lieu of glaze. Terra Sig is an ultrarefined clay slip that is applied to burnished clay before firing to create a smooth, soft white surface.