Class 2. PRODUCTION Leningrad Mint (LMD). Var.5. That was issued in the 50s. The surface of the reversal of all orders this option is flat. Stamp Mint small, is made in two rows. Both words are direct and stigmatization suffered a single blow. Article 2 Order of the second series produced in 1958-1959 that went two consecutive batches. In contrast to the article 1 of characters using their number a horizontal line attached. RR