Han Dynasty: The golden toad is made of bronze, simple in shape and oval, with two raised ridges on its back, three short and stout legs, and a copper coin in it.

Tang Dynasty: The golden toad has a more exquisite shape, a round body, a more prominent back, slender and powerful legs and a copper coin or jewelry in its open mouth.

Song Dynasty: The shape of the golden toad is more diversified, some are square, some have wings on their backs, their legs are more slender, their mouths are open, they hold a copper coin or jewelry in their mouths, and some even carve patterns or characters on their bodies.

Ming Dynasty: The golden toad is gorgeous in shape, with exquisite patterns and designs carved on its body, slender legs, open mouth, a copper coin or jewelry in its mouth, and some are inlaid with precious stones.