2 Groschen blue, large shield with plate flaw I \"bright spot within above\" (field 10) in mixed franking with 1 Groschen carmine, large shield as correctly franked 3 Gr. Franking (to 10 Gram from 15.2.1872 being valid tariff) on cover from \"Saarbrücken 11 3 74\" (North German Postal District single circle postmark) to Chaumont, 1 Gr. Stamp edge nick, 2 Gr. Round corner - otherwise in perfect condition, photo expertize jug BPP (2015)