There are few collectibles that so vividly mark a design period as do the colorful ceramic fish, bubbles, mermaids, and seahorses of the 1950s and 1960s. The popularity of these bathroom decorations swept the land and became a fad that would be remembered for years to come. They were the creations of gifted artists, ceramic designers, and pottery makers, including Kay Finch, Freeman-McFarlin, Hedi Shoop, Josef Originals, DeForest, and Ceramicraft. In addition, there were countless smaller producers, who started well-intentioned, but all too often short-lived ceramics businesses as hobbies or...