50 Kopecks postal stamp black on dark blue gray, type III, cut, with overprint \"proof print\", as produced without gum in perfect condition, extreme rare stamp from reference sheet springing - total edition 25 examples - but only this a piece in type III = unique. Rarity of the German occupation issues in the II. World war. Photo expertize Gerhard Krischke: \"the condition is perfect. \", Michel - .