30 Kop. \"agriculture exhibition 1940 - pavilion Kyrgyz SSR\" with overprint \"Eesti post\", neat cancelled \"Elva+Eesti+B 14. VIII. 41\", issued only 200 examples, photo expertize Keiler BPP and new photo expertize Nagler VP (2016) : \"genuine and immaculate. \", Michel 3.500.- - very rare stamp!