Teese & Co. Penny Post, Philadelphia Pa., (1c) Blue on Bluish (137L1).
Large margins to just touched, uncancelled as usual, used with 3c Dull Red (11), ample margins to barely in, tied by "Philadelphia Pa." circular datestamp on brown cover to Cincinnati O., discoverer's notation on back, Very Fine, scarce Philadelphia local modeled upon Blood's stamps, ex Gibson, with 1990 and 1998 P.F. certificates
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