ming dynasty water vessel yixing teapot ewer overhead handle painted floral terracotta pot antique purple clay pot flower

age ancient antique antiquity art arts auction brown ceramic cha chinese clay collection conservation container crafts craftsmanship cultural culture curator custom design earth ebay ewer exhibit fabric floral flower folk folklore gallery handle heritage history hobby kettle ming molin mud museum old overhead plants pot pottery precious preservation product purple rituals sculpture seal soil sothebys tang tea teapot terracotta tool treasure vessel water yixing yum yumcha