Partial face polished rough piece of the rare Tonopah Green Plume Agate from 50 years ago???  Wedge shaped.  According to the reports i have read and stories I have heard, this material was found somewhere East of Tonopah, it is difficult if not IMPOSSIBLE to find much of it on the market, and the locality had been dug out and then, lost?  Some think the green is due to celadonite, and it could have come from one of the gold mines in the region, I have no host rock to go by.  Read the interesting story of this material in Pat McMahans great book on agates.