Footed celadon crackle glaze porcelain ( Early Qing) bowl with interior spiral design, hollowed foot has lettering.
Chinese footed ceramic Song Dynasty bowl of green/tan glaze has interior circle of light blue, slightly expanded rim.
Chinese Yuan Dynasty (1115 - 1368) glazed shallow footed bowl with interior design of a bird & floral vines in red & green.
Blue & white porcelain bowl ( Late Ming Dynasty) has center interior circle of abstract dragon design repeated on exterior.