cover 1864 (31 Oct.) soldier's envelope from Hong Kong to England, bearing 1d. stars tied by good to fine strike of the black "A81" Mailboat cancellation (attributed to the "Indus"), the envelope endorsed "A. Say C C on Board HMS Racehorse, China" and countersigned by commanding officer below; the envelope open on three sides and with some strengthened tears, still fine and rare. Photo