D. O. Blood & Co., Philadelphia, (1c) Black, "For the Post Office" (15L8).
Cut square and slightly into outer circle, uncancelled with tiny ink stain, on Feb. 26, 1847 folded letter to New York City with red "PHILADA. RAIL ROAD"
straightline and blue ms. "5" rate, Fine, very scarce, with 1998 P.F. certificate
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