12 plus 18 Pfg dark gray blue gray paper without watermark and with steep falling paper pattern of stripes or streaks Leipzig fairground 1946, advertising postmarks single circle (10) LEIPZIG C1 12.5.46.-18 Leipzig fairground 8.-12. May, on piece, very fine, unsigned, photo expertize Dr. Jasch BPP (2022) ("the stamp is - genuine and immaculate. , the stamp with different paper pattern of stripes or streaks (otherwise flat increasingly) lay up to now only in few copies before. ")