Convex Cover Han Tile yixing clay woodfired teapot # 94839I cannot find a welldocumented, widely recognized teapot form specifically called "" (literally convexlid Hantile), so the exact historic prototype is ambiguous. Below is a careful, general description based on the name and common patterns in Chinese teapot naming and design. Brief history Many Chinese teapot forms are named after everyday objects, architectural elements, or historical motifs, and makers have long borrowed Handynasty (and later)