Lot
651 
Guadalajara, 1867, 1r black on blue, in combination with 1867, 1r black on blue, serrate perfs, tied on piece by Guadalajara oval handstamp (Schatzkes 296), couple small serrate flaws, otherwise Very Fine, certificate states that it could also be Sc #17+19 or some combination of both, nevertheless a very rare third period combination; with 2002 M.E.P.S.I. certificate. Scott No. 35+37 Estimate $200 - 300.
Realized: $450