, rated "8" and "5", showing "PAID SHIP LETTER/SYDNEY" c.d.s. (23.8) in red (Type SL4) and, on reverse, oval "MELBOURNE/PORT PHILLIP" d.s. (19.8) and "SHIP LETTER/SYDNEY" c.d.s. (23.8) in black (Type SL6)" /> cover 1851 (July) entire letter from Melbourne to Edinburgh, marked<I> "p. Shamrock Steamer to Sydney thence direct"</I>, rated<I> "8"</I> and<I> "5"</I>, showing "PAID SHIP LETTER/SYDNEY" c.d.s. (23.8) in red (Type SL4) and, on reverse, oval "MELBOURNE/PORT PHILLIP" d.s. (19.8) and "SHIP LETTER/SYDNEY" c.d.s. (23.8) in black (Type SL6) | Christie's