cover 1900 (May) "Compagnie des Chemins de fer Chinois" envelope (tears) registered to France, bearing 1891 20c. on 30c. surcharged with Chinese character (slightly faded) tied by Hankow c.d.s., showing "R" in circle and red "MODANE A PARIS" c.d.s.; 1901 (Dec.) 4c. stationery card (corner crease) registered to Belgium, bearing additional 1882 5c. tied by light Hankow c.d.s. and showing "R" in circle