Netsuke of Frog on a Lotus Leaf

The object is a netsuke, a type of Japanese toggle. The netsuke is carved from a light-colored material, possibly ivory or wood. It features a frog sitting on a large lotus leaf. The frog faces left and has its front legs resting on the leaf. The frog's body has a darker coloration on its back. The frog's eyes are small and rounded. The lotus leaf is large with wavy edges and has several curved veins. The leaf has darker lines carved into it to resemble texture. A small ball is attached to a loop on the right side of the leaf. The ball has diagonal lines carved into it. The background is a solid gray color. The netsuke is by an unknown artist and titled "Netsuke of Frog on a Lotus Leaf".