There is a god beast with this copper coin in its mouth. . What is this thing?

Money-eating toad is also called three-legged toad. In China folklore, it can spit money and is a prosperous thing. It has three legs, the Big Dipper on its back, two strings of copper coins in its mouth and two Tai Chi instruments on its head. This is a lucky thing. In particular, it only has three legs. It is very common to make money in Yang Zhai's geomantic omen. In the morning, the toad's head is facing the door so that the toad can bite the money; Turn your head inward at night and let Toad put the money he bit today into the vault.