Can anyone identify, and tell me more about this chair?

That's a kool old rolling chair . . probably used for someone who worked at a table most of the time, or like a doctor's or dentist chair . .that the doctor sat in as it swiveled and reclined as well and rolled. . . .in any event . . unless you come up with an answer as to exactly what it's use was . . I'd say $150 for any old utility piece of furniture in nice condition. You could probably do better if you were to sell it as a modern or industrialist piece. Have you looked around underneath for any labels or markings?