Answer:
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. What am I?
When you take away the whole from me there is always some left.
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
I'm the source of all emotion but I'm caged in a white prison.
I have an eye, but I can't see. I usually have to work with something in my eye. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?