30 Kop. Agriculture exhibition \"Georgian SSR\", vertical pair, lower stamp with inverted overprint \"Eesti post\", upper stamp with normal, however incomplete overprint, tied by part of cancellation\" (EL) VA (B EES) TI (14 VIII). 41\", reverse slightly browned - otherwise faultless condition, photo expertize Loebbering: \"the existing pair is the first me to the examination presented copy\", ex collection Dr. Kooba