Lot
772 
1847, 10¢ black. Horizontal pair, large margins to just touching at top of left stamp and just in at bottom left of right stamp, tied by red grid cancels on folded letter sheet to Philadelphia, Pa., matching "U.S. Express Mail, Boston, Mass., Sep 3" cds at left, fresh and F.-V.F. Scott No. 2 Estimate $2,500 - 3,000.
Realized: $2,400