Frogs in Sumo Match, early 19th century, Mori Sh?h?, Japanese, 1738 - 1823, 13 1/16 ¡Ñ 20 7/8 in. (33.18 ¡Ñ 53.02 cm) (image)50 1/4 ¡Ñ 25 9/16 in. (127.64 ¡Ñ 64.93 cm) (mount, without roller), Ink on silk, Japan, 19th century, On a damp and rainy day, a bunch of frogs are enjoying themselves with sumo wrestling. While two frogs are engaged in a bout, other frogs are sitting on the left and right to watch them while they hold their big round bellies. Each frog expresses a striking individuality, creating a richly humorous impression. Personification of frogs in human activities has been used in Japan since the Heian period (794¡V1180).