Litzmannstadt-Ghetto, December 29.1941. Regular 6pf._purple-Hitler-Imprinted stamp, postcard, no postal cancel, mailed from the Ghetto to Wielun-Poland, at the right in black # 17. below is the so called "Balkan Cross" known too as the "Andrea's Cross" in violet of 32x23mm,this special cancel was used from December 10.1941 to January 5. 1942 and was usually placed diagonally right on top of the address.(Image 1) (Image)