U.S.P.O., Philadelphia Pa., 1c Black on Rose (7LB6).
Position 1 with huge top left corner sheet margins,
bottom frameline intact, in at right, uncancelled, used on folded cover to Bartonsville Pa., faint blue "Philadelphia Pa. 5 cts (Jan?) 15" integral-rate circular datestamp, light toning, small wrinkle in bottom of stamp (not noted on certificate), Very Fine, extremely unusual with sheet margin of this size, with 1997 P.F. certificate as 7LB1 (in error)
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