1852, 1¢ Blue, Type IV, Top Sheet Margin Strip of 4, full original gum, end stamps are lightly hinged and center stamps are very lightly hinged, if at all, shows parts of other stamps all around and large sheet margin at top, wonderful fresh color, Superb, with 2013 P.S.E. Graded certificate (Gem 100 Jumbo), this matchless gem can not be cataloged in this condition, but as a point of reference, the P.S.E. value for a single in the grade of Gem 100 is $11,000, if this strip was broken, it would undoubtedly yield two singles in the grade of Gem 100 Jumbo. Scott No. 9  Estimate $15,000 - 20,000. A TRUE GEM OF U.S. PHILATELY WITH THE ULTIMATE GRADE OF GEM 100 JUMBO. $0 (Image)