1904, 2a. pale green, two complete sheets of twelve, each with red ink control number in upper left corner, one sheet each showing the “1” in “12” in top margin reversed and corrected, the sheet with the reversed example with large part original gum, ex Hasse Brockenhuus von Lowenheilm Collection, the corrected sheet part original gum, with central column of perforations reinforced, offered with an upper right sheet corner pair with reversed “1” in emerald green shade, hinged in selvedge only, central perfs partially separated, a fine group.
