1923-1960 USSR Airmail 1951 Yuzhno-Sakhalinsk Island / Alexandrovsk - Nikolayevsk Pacific Coast Route - Rare 150,00 €
1918-1923 RSFSR Airmail Consular Berlin 12 Marks MHOG – St CB5 II Type IV / Mi 1 Type II Scarce - Certificate 150,00 €