1946, 5 special delivery letters, franked by Michel no. 4 II, 5 I, 6 I, 7 II and 8 I, all with first issue of stamps for Germany after WW II. Additional frankings, all different franked and four covers correctly franked, in each case with arrival postmarks, one expertized Zierer BPP, good legitimate condition, genuine used letters from Bad Nauheim, are rare! Michel approximate 750.-