10 Rbl. on 1 Rouble definitive black/dark red, overprint type III, mint never hinged in faultless condition, rarity of the German occupation issues of World War II, expertised Keiler and photo certificate Walter Zirath BPP "The condition is faultless ... among the greatest rarities of the German occupation issues of World War II.", Mi. 30.000.- - only a few examples known!