1892 (Dec 1) OHTMS envelope with 1892 6d yellow-orange pair tied by Nukualofa duplex cancel, sent registered to the USA with Nukualofa violet registered oval cachet adjacent, German PO Apia (Samoa) registered label with transit bs and San Francisco arrival bs, interestingly with typewritten address of the same form as that used for the 1896 « Half-Penny » provisionals, very fine and very rare franking