1920, 5¢ Pilgrim (Scott 550), wide top margin plate block of 6, o.g., never hinged, a spectacular Post Office fresh plate with deep color and exquisite centering; tiny inclusion flaw in paper below "N" of "CENTS" in upper right stamp, Extremely Fine, with 2021 P.S.A.G. certificate. Scott $675 Estimate $750-1,000 (Image)