cover 1901 (10 May) OHMS envelope to Capt. A.S. Cotton of the Royal Field Artillery at Peking (redirected to Tientsin), bearing B.R.A. 5c. black surcharge tied by violet Tientsin cancel and showing, on reverse, F.P.O. 20 (Type 50), part Base Office B (Type 21) and F.P.O. 4 (Type 54) datestamps; the envelope with flap damaged through opening. Photo
cover 1901 (10 May) OHMS envelope to Capt. A.S. Cotton of the Royal Field Artillery at Peking (redirected to Tientsin), bearing B.R.A. 5c. black surcharge tied by violet Tientsin cancel and showing, on reverse, F.P.O. 20 (Type 50), part Base Office B (Type 21) and F.P.O. 4 (Type 54) datestamps; the envelope with flap damaged through opening. Photo

Details
cover 1901 (10 May) OHMS envelope to Capt. A.S. Cotton of the Royal Field Artillery at Peking (redirected to Tientsin), bearing B.R.A. 5c. black surcharge tied by violet Tientsin cancel and showing, on reverse, F.P.O. 20 (Type 50), part Base Office B (Type 21) and F.P.O. 4 (Type 54) datestamps; the envelope with flap damaged through opening. Photo