MONGOLIA: 1927 (13 11) registered preprinted envelope of 'The Commercial & Industrial Bank of Mongolia' to their office in Moscow (arrival bs 30 12) franked on reverse 1926 3rd definitive issue 25m + 50m + 1t tied by Ulanbator Mongolia cds, alongside 'Received Damaged....' boxed hs in cyrillic, env. with some peripheral faults, very scarce 6 times rate franking