China / Indo-China 1905 Registered envelope to France

bearing 25c Black Yvert 10 (Pair) tied by Nam-Dinh Tonkin double-ring in Blue with Boxed Registered in Red and Hanoi to Haiphong Tonkin (ambulant) on reverse with octagonal French Paquebot Ligne N Paq.Fr.No.5 datestamp. Superb. (pt)

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