Cynthia Curtis Pottery $25.00 Gift Certificate. Gift certificate can be used towards pottery or lessons at Cynthia Curtis Pottery. Cynthia Curtis Pottery is known for its ocean-inspired creations including coral vases, lamps, berry bowls, ornaments, scallop and clamshell dishes, mugs, and wedding platters. Cynthia has taught over 1,200 students for decades how to create functional and decorative high-fire stoneware treasures on the pottery wheel in addition to crafting unique hand-built art pieces (pinch pots, coil pots, slab pieces, sculpture) in a relaxed environment.