30 Kopecks special stamp "agriculture exhibition - pavilion Kazakh SSR" with black typography overprint "Laisvi Telsiai 1941. VI. 26" in type IIIb the 2nd issue, upper margin copy, mint never hinged, very fine, issued only 360 examples, expertized Krischke and photo expertize Rainer Bender "the condition is perfect", Michel 450.-