Die Grossherzoglich Luxemburgische, National Bank, 10 Mark, 25 March 1876, serial number 006259, black on light brown, value in corners, arms left and right, signatures at low centre, reverse green, value in corners, female head left and right (Pick 19a), in PMG holder 45 Choice Extremely Fine (pinholes), excessively rare with no recorded sales on Track and Price and this being the only PMG graded of its kind