10677 | 1940（20.1） Ordinary cover from Tingyuanying Ningsia to Sweden via Siking（31.1）
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Final Price: RMB 3,500
1940（20.1） Ordinary cover from Tingyuanying Ningsia to Sweden via Siking（31.1），Chungking（8.2） Kunming（14.2） and Hanoi Vietnam（19.2） bearing 150th Anniversary of U.S. Constitution 50c alone，correct postage，opened by censor with seal label and special seal cachet，clear chops，complete mail route，nice condition.
