1901, 1¢ Pan-American, Center Inverted. Full original gum which is very lightly hinged, a lovely mint single well centered amid nicely balanced margins, lovely rich color, Very Fine to Extremely Fine, a wonderful fresh mint example of the rare 1¢ Pan-American inverted center; with photocopy of 1969 P.F. certificate for block and 2006 P.F. Graded certificate (VF-XF 85, SMQ $16,700). Scott No. 294a  $11,000. $0 (Image)