Lot 631
631
cover Russia, 1931-32, 10k-1r Zeppelins, imperforate (C15-C19), complete set, tied by Moscow 15.5.31 pmks. on registered flight cover to Germany, red German flight cachet, Berlin backstamp, very fine, Scott retail $106.00 (solely as used stamps)
cover Russia, 1931-32, 10k-1r Zeppelins, imperforate (C15-C19), complete set, tied by Moscow 15.5.31 pmks. on registered flight cover to Germany, red German flight cachet, Berlin backstamp, very fine, Scott retail $106.00 (solely as used stamps)

Details
cover Russia, 1931-32, 10k-1r Zeppelins, imperforate (C15-C19), complete set, tied by Moscow 15.5.31 pmks. on registered flight cover to Germany, red German flight cachet, Berlin backstamp, very fine, Scott retail $106.00 (solely as used stamps)