Browse Items (1 total) Tags: luster Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Pot Black ceramic pot with iridescent bronze luster glaze with Art Nouveau pattern. "KLA" incised on bottom. "Plymouth Pottery Sparrow House" sticker on inside bottom. Excellent condition. Tags: 20th century|| Art Nouveau|| black|| iridescent|| Katharine Alden|| luster|| Plymouth Pottery|| pottery|| Sparrow House