cover 1843 (28 June) entire from Macau to Chichester "via Falmouth", carried on the 'City of Derry' and bearing an exchange note for £500; rates "4/-" and bears "INDIA" in oval, flap bears a fine strike of Ritchie Steuart & Co of Bombay forwarding agent's cachet, London and arrival c.d.s.; exceptionally fresh and fine