30 30 Kop. agricultural exhibition Moscow, two different stamps (Tajik SSR and Kyrgyz SSR) as se-tenant from lower margin with hand stamp overprint very clean on piece, cancelled "ELVA EESTI B 9 VIII 41", signed Nemvalz photo expertize Dr. Klein BPP (2005) "genuine and immaculate. . . Unique", at the anyway vanishing small printing of this stamp, can this se-tenant not at all high enough rated become.