1847, 10¢ black, double transfer (type "A"). Position 1R1, showing double transfer in "X" at bottom right and upper lettering, margins to in at top, tied by grid cancel on folded letter sheet to Philadelphia, Pa., red "Boston, 10 cts., Jan 10" cds, stamp with tiny tear at bottom, Very Fine appearance, a rare on cover usage of this major double transfer on cover. Scott No. 2  Estimate $400 - 600. $0 (Image)