VINTAGE JAPAN JAPANESE CAST IRON LEAF WITH SNAIL DISH METAL DECORATIVE BOWL

Vintage, cast iron (bronze?), Japanese bowl, metal dish, depicting a large leaf with a snail in the middle. The base has a markers mark / hallmark that I cannot make out as it is in Japanese characters. It has 3 small feet on the base. (See photos for details) I am the original owner. It has been in climate controlled storage since purchased. Comes from a pet and smoke free home. Size: 8.5” x 7.25” wide x 1.5”