5 Pf. postmaster separation Seiffen being a right upper corner margin block of four with centered special cancel "Soaps (Erzgeb. ) -21. 9. 45.-16-17", certificate with photograph Ströh BPP: "genuine and immaculate - in perfect condition. To mention is a corner crease in the upper margin of sheet overprinting, the stamps are of it not touched. " outstanding quality in this beautiful apparition! Michel 4400,- (former starting price 1000)