Mexico, 1872, 12c Blue, Tampico. Unwatermarked, imperf, cons 40-73, ample to large margins, tied by Tampico oval handstamp on folded letter to Vera Cruz, in combination with G.B. 1865, 4d vermilion, plate 13 tied by "C63" barred oval handstamp, with matching British P.O. "Tampico, 29 Ja, 1874" rimless cds at bottom left, reverse with Trapaga Y Ca. sender cachet handstamp, Very Fine and choice, a rare and attractive internal combination usage. Scott No. 94+G.B. 43  Estimate $1,500 - 2,000. $0 (Image)