Answer:
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
I have two eyes in the front and a lot of eyes on my tail