6 kreuzer ultramarine, eagle in the octagon, having bright colors and in perfect condition rouletted, horizontal strip of three, clear tied by single circle "MAINZ 21 / 9" on letter piece, expertized HK (Horst Krause, Gelsenkirchen) and photo expertize Brettl International Association for Philatelie Experts (2012) : ". . . Perfect condition. . . Attractive strip. "