233a, 1893 4c Columbian, Error of color, a lovely deep color, showing a crisp detailed impression and overall fresh appearance, o.g., lightly hinged, nearly Very Fine; resulting from a wrong batch of ink (similar to the 1c value) it is believed several sheets were printed and at least two full panes reached collectors with a handful of used examples originating from other sheets and most of the balance lost; 1974 Brettl and 1979 PF certificates (Scott $17,500) (Image 2) (Image)

CV. Starting Price 9,000