Answer:
A house full, a yard full, a chimney full, no one can get a spoonful.
What has a single eye but cannot see?
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away, yet lust for me keeps me locked away.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
What begins and has no end? What is the ending of all that begins?