1879 yellow brown Officially Sealed, mint with full original gum, never hinged. There is a light natural gum bend, still a rare never hinged stamp and accompanied by a 2019 Greene Foundation certificate mentioning "a few light scratches on gum" which are very difficult to see to the naked eye. Rsv. (Image)

Unitrade $ 3,750

1879 yellow brown Officially Sealed, a choice used example, with ideal Dead Letter Office c.d.s. cancels dated NOV.13.1895, with only the slightest pressed-out crease, still very fine. (Image)

Unitrade $ 250

1879 to 1913 Officially Sealed Set of Four, OX1 (very fine hinged), OX2 (fine never hinged, but with gum blemishes, counted as hinged), OX3-OX4 (both very fine never hinged). (Image)

Unitrade $ 2,750