1854 2d BLUE PL.4 S.C.16 (SG19) HORIZONTAL PAIR TH TI, TH MAJOR RE-ENTRY (SPEC F1g), GOOD USED. Good used horizontal pair 1854 2d blue pl.4 S.C.16 (SG19) lettered TH TI, TH several slightly shorter perforations but showing very fine MAJOR RE-ENTRY (Spec F1g), TI fine used, Glasgow cancellations. (Ref 143969).