30 Kopecks special stamp "agriculture exhibition - Leningrad and north-east the RSFSR" with black typography overprint "Laisvi Telsiai 1941. VI. 26" in type I the 2. Issues, position 25, from left margin of sheet, mint never hinged, faultless condition, issued only 360 examples, expertized Krischke and photo expertize Rainer Bender BPP "the condition is perfect. ", Michel 450.-