1948 - 1976, extensive inventory in the stock book with a quantity also better issues of the first years. Here among others ample black- and red overprints (some like used 5 M. Black overprint or 1 M. Red overprint mint never hinged not expertised not calculated). As well all conditions be present (hinge / unused as those valued). The part to 1956 strikes alone with more then Michel 20.000.- to beech! From 1957 then practically only still used is existing.