Thank you Chris, Pete, John.
Can you provide me with some picture example.
I found an article about the mundane egg, and it seemed to me that I see this symbol.
This is an article.
In Japan, in the Pagoda of Miaco,’ he says, ‘upon a large square altar is placed a bull of massive gold on a block of rock; the animal is ornamented by a rich collar, and pushes with its horns an egg floating in the water contained in a cavity of the rock. To explain this image, the following is told by the Priests. At the time of chaos, before the creation, the world was concealed and inert in an egg which floated on the surface of the waters. . . The divine bull image of creative force broke the egg by a stroke of its horns, and from the egg issued the terrestrial globe
Miha