STRAITS SETTLEMENTS – HAMBURG: 1857, letter sheet to Hamburg, franked with India 1855, 4 anna black on bluish in horizontal pair, tied by octagonal "B/172" with corresponding red "SINGAPORE P.O." on reverse. On front boxed Trieste tax mark "6 ¼" groschen, for the conveyance from Alexandria to Hamburg, to be paid by the recipient and noted on front as "8 ½" Hamburg currency. A very fine and rare entire.