U.S.P.O., Philadelphia Pa., 1c Black on Blue Glazed (7LB7).
Two framelines at top and right, slight crease, used on folded cover to Burlington N.J., blue "Philada. Pa. 5 cts. Dec. 3" integral-rate circular datestamp and "Paid" in frame, Fine appearance, very scarce, 17-18 reported in Lyons census (Penny Post,
July 2006), ex Golden, with 1981 P.F. certificate
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