Service stamp: 10 Gr. Numerals, contrary to the regulations on face as delivery charge stamp with two-line cancel "post base MROWLA" on cover with horizontal strip of four 6 Gr. Buildings blackish brown orange from "15. V. 41" to Reichshof, in perfect condition, on documents in fact rare to find, expertized Swiss BPP and new photo expertize Pfeiffer BPP (2018) "the test specimen is genuine. . . . Quality: perfect", Michel 300.-