Mexico, 1864-66, 8r red, Saltillo. Cons 34-1866, 5th Period, Parras boxed date stamp (Schatzkes 1414), full margins to just in at top, rich color, Fine, very rare as only a few were ever used; with 2004 MEPSI certificate. Scott No. 25  Estimate $2,000 - 3,000. $0 (Image)