cover 1871-75, a selection of "Nicholson" letters cancelled "B62" on arrival at Hong Kong with 1871 (14 Aug.) cover bearing 8c. vertical strip of three one defective), 1873 (9 June) envelope with horizontal strip of three, 1873 (30 Aug.) and 1874 (13 June) single 24c., 1875 (17 Mar.) envelope bearing 24c. pair. Fine. (5)