Parcel Post, 1913, 75¢ carmine rose. Top margin plate block of 6, o.g., never hinged, deep color, fresh, perf separation in selvage and natural paper inclusion in bottom left stamp, otherwise F.-V.F., still a handsome example of this very scarce plate block; with 2006 P.F. certificate. Scott No. Q11  $4,500. $0 (Image)