3 kreuzer black on green, two values, one with 3 mm margin of sheet right, on properly franked folded letter from five ring stamp \"24\" and alongside box cancel of 2 lines \"CARLSRUHE 6. December\" to Reutlingen / Wuerttemberg with arrival postmark, the margin copy on all sides full to huge margins and impeccable, the other stamp above cut into, small diagonally letter crease and vertical archive fold, expertized Stegmüller BPP