Group of four Japanese cast iron kettles One kettle with stippling to body and a decorative gourd finial to signed bronze cover; the second with similar stippling to body and decorative finial to signed patinated bronze cover; the third depicting a mountain village with a figure beneath a tree and a warrior riding on horseback, enameled interior, signed bronze cover with chrysanthemum finial; the fourth with a rough body, pierced decorative finial on signed metal cover. H: 5 1/4 in.; 13.5cm; 4 1/4; 11cm; 5 1/2 in.; 14cm; 4 3/4 in.; 12cm