1, 50 R on 10 Kop. Postal stamp dark Prussian-blue, with hand stamp overprint in type III, tied by Cyrillic strike of a postmark from Alexanderstadt, faultless condition. Rarity of the German occupation issues in the II. World war! Photo expertize Krischke and newest photo expertize Zirath BPP: \"the condition is perfect. Used are these stamps rare. \"