cover 1901 (12 Apr.) envelope addressed to Captain Hume of the 4th Balloon Section in Peking, bearing "C.E.F." ½a tied by Base Office B double-ring c.d.s. applied in Tientsin; also 1901 (2 Sep.) envelope addressed to Johore bearing ½a. and 1a. (2) tied by Base Office B double-ring c.d.s. applied in Tongku, various backstamps including "JOHORE BAHRU/PAID" in red. (2). Photo

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