5 R. On 10 Kop. Red lilac, overprint in type III, neat cancelled with mute stamp "12 5 42" and straight-line cancel "Alexanderstadt" on beautiful letter piece, great rarity, photo expertize Zirath BPP (2019) : "genuine. Defects are indistinguishable. The perforation is for this issue typically. ", Michel 13.000.- - superb item of this rarity!