Hong Kong Covers and Cancellations Marine Sorters — Type 2; 1877 (6 Oct.) neat envelope to Hong Kong " via Brindisi" bearing German 40pf. franking tied by Weetzen c.d.s. and bearing, on the reverse, Ambulant and Brindisi (9.10) c.d.s. plus a good strike of the Marine Sorter type d dated "NO 12/22 77". Clean and fine. Photo