1857 (12 Dec) with 6d Olive-grey Diadem Imperf (2, one good margins all round, other touched on two sides and with corner fault) cancelled Sydney barred obliterators, endorsed 'Pr European', and with London arrival backstamp (FE 6 1858). Missing back flap, but a fine usage demonstrating the supplementary mail rate of 6d ship plus 6d supplementary fee to carry mail to Melbourne to connect with the U.K. steamer