1856
cover -- 1874-75 envelopes from London to China bearing, on reverse, good to fine strikes of "HONG-KONG/SINGAPORE TO/HONG KONG/MARINE SORTER" c.d.s. (Type 6); also 1876 envelope from Lurgan to Peking, reverse with Singapore to Hong Kong (type 2) marine sorter. One envelope with part flap and corner missing and other faults. (5)

細節
cover -- 1874-75 envelopes from London to China bearing, on reverse, good to fine strikes of "HONG-KONG/SINGAPORE TO/HONG KONG/MARINE SORTER" c.d.s. (Type 6); also 1876 envelope from Lurgan to Peking, reverse with Singapore to Hong Kong (type 2) marine sorter. One envelope with part flap and corner missing and other faults. (5)