It's Mid Century Modern style but not that old. This is from an estate. It certainly has the look of a Mid Century Modern abstract sculpture. Some dimension here with black (plastic) rounds as stones. It's adjustable. Looks hardly used. No maker marks. Got a "Ring-Thing"?
SIZE? It's adjustable. See ruler shots!
ON SALE? It could be. Private sales are done here from time to time so look for a dark pink sale banner on any of my shop pages. Individual items do not show sale prices during private (non-site-wide) sales.

This item is sold from an excellent, highly rated vintage boutique in Northfield, OH.