1945 - 1949, in fact vast collection in all conditions led, including Potschta, souvenir sheet 1 ta with gum defect and light-darkened (photo expertize Dr. Jasch BPP), souvenir sheet 2 (2) used expertized Zierer BPP respectively photo expertize Bodo Ströh BPP, scarce 152 X from only well known block of four with Write down the Oberprüfstelle, the quality a little vacillating, please check carefully.