cover Tesse & Co. Penny Post, Philadelphia, Pa., (1c) Blue on bluish (137L1), uncancelled, generally clear to huge margins showing bit of next stamp at L., used in combination with 3c Dull Red (11), large margins to just touching, tied by indistinct Philadelphia c.d.s. on neat buff cover to Ohio, without flap, very fine, a rare combination usage, ex Gibson, with 1990 P.F. certificate, Scott retail $2,000.00+ (combination usage unlisted) photo