1878 (April): Large and small "5" surcharge in blue applied horizontally on 1870 3 r. black, a fine used example cancelled lightly in black by Asuncion cds. Rare Gi = recorded but unlisted/Scott = unpriced. (Image 1) (Image 2) (Image)

1870: Lot for study 8 DOS RALES stamps, 7 are unused (5 have gum or partial gum, 2 are without gum) and 1 used. And a used horizontal pair of the 3 REALES stamp, little pre-separating cut at the bottom between the stamps, many with old signatures. Scott $1300+. (Image 1) (Image)