5c Trans-Mississippi (288). Mint N.H. with wide top plate no. 602 selvage, handsome centering, beautiful color and impression on crisp white paper, Extremely Fine, with 2010 P.F. (XF 90) and 2009 P.S.E. certificates which mention natural paper inclusion below right "5", which is barely visible from the front (XF 90; SMQ $825.00)