Six pieces. China, 18th century, porcelain: Double rings to rim with decorated walls and well, terminating on unglazed ring footing (2.5" height, 4.5" diameter). Second bowl likely shipwreck cargo (2" height, 4.5" diameter).China, 20th century, porcelain: A celadon bowl (3.25" height, 6.5 diameter) and white plate (7.25" diameter), both with relief decoration.Along with two pieces of 20th century, Japanese, blue and white porcelain bottle vase with floral decoration (5.25" height) and sake/tea cup having fish decoration with gold highlights (2.25" height).