US #1 used — super nice stamp — with graded (90) PSE cert. Very pretty example, rich classic shade. I do my best to describe every lot fully — if I see a flaw I note it. If you want scans of the back of any stamp or lot just let me know. Anything that I sell is completely guaranteed, and you can feel free to return it for any reason. The item “US #1 used – fantastic XF 90 graded PSE cert” is in sale since Tuesday, May 10, 2016. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “deerland19″ and is located in San Francisco, California. This item can be shipped worldwide.