0, 50 L on 10 C. to 10 L. on 20 C. postal stamps, complete set to six values - following overprint types: + I, 3 III, 4 / 6 I, all values except Michel-no. 2 and 3 watermarked crown normal standing, in perfect condition mint never hinged, signed, issued only approximate 5.000 sets, photo expertize Brunel VP (2018) : "the condition is perfect. "