Blood & Co., 1848 (1¢) bronze on black. Small flaws, acid tied on 1849 folded letter (Quaker dateline) to New York City, franked with clear to large margin 1847, 5¢ brown tied by straight line "Philada. Railroad" handstamp, Very Fine, an attractive on cover combination sent over the Philadelphia Railroad; with 2009 P.F. certificate. Scott No. 15L17+1  $1,250. $0 (Image)