"La Trobe 24/10/66" alongside and arrival "PRE-PAID" d.s. in red with similar boxed d.s. on reverse" /> cover 1866 (Oct.) mourning envelope to Hobart bearing 1857-69 4d. (cut-into) cancelled "51", showing manuscript<I> "La Trobe 24/10/66"</I> alongside and arrival "PRE-PAID" d.s. in red with similar boxed d.s. on reverse | Christie's