Lot
2675 
Guadalajara, 1867, 2r black on white, uncanceled on folded letter to Guadalajara with certificate stating the stamp is genuine but it is unlikely that it originated in this cover because it has a "2" on reverse, originated in the small town of Tamazula, so the "2" was probably put there, Very Fine appearance, believed to be the only known uncancelled stamp of this issue, unlisted unused in Scott; with 2020 M.E.P.S.I. certificate. Scott No. 6 Estimate $600 - 800.
Realized: $700