1940 Wangin Süm (5 Feb) to Japan. Double-registered cover, f.w. Manchukuo regular issue 8f in pair, tied by Wangin Süm cds, along with
1940 Wangin Süm (5 Feb) to Japan. Double-registered cover, f.w. Manchukuo regular issue 8f in pair, tied by Wangin Süm cds, along with double-registered marking. Scarce example from Mengkiang.1940.2.5 王爺廟寄日本。雙掛號封，貼滿洲國普通票8分x2，銷王爺廟日戳，旁見雙掛號戳記。出色之蒙疆例子。
