The doors of the top breeding loft of German champion Siegfried Müller open again. 
In this auction he offers grandchildren of famous birds such as "Porsche 911", "Prince Porsche", "Best Kittel", "Best Kittel II, "Blue Best Kittel", "Daniel", "Unique Porsche", "Olympic Rico", "Sagan" and out original Gebr. Leideman birds (breedingline "Crack 19" - "Goed Grijs" and "Arturo")