An ebony netsuke of a tree frog on a mushroomBy Kanman (1793-1859), Iwami Province, early 19th centuryThe frog squatting with its hind legs bent, as if about to leap, on the underside of a large mushroom, its thick stalk trailing to the side, the frog's eyes inlaid in crystal and dark horn, signed Iwami-no-kuni Kanman to (carved by Kanman in Iwami Province) with a kao. 6.7cm (2 5/8in).注脚黒檀彫根付　茸に蛙　銘 「石見国貫満刀（花押）」　19世紀前期Published:Lazarnick, NIA, p.584.Earle, Huthart, p.276, no.245.