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Los 647

KUSTANAI: 1920, 5k. imperforated, four singles and 20k. perforated block of four with overprint type IV, tied by cds. "KUSTANAI 26 6 20" to reverse of registered cover to Magdeburg, a interesting item providing both a scarce example of mail abroad in the first month of resumed mail services and undoubtedly rare example of use of these postmaster provisionals on foreign mail, vertical fold not affecting adhesives, fine