cover 1858 (15 May) blue envelope to London, marked "Via Marseilles Per Royal Mail Steamer 'European'", bearing Campbell & Fergusson Half Length 3d. greenish blue (2) and Woodblock imperf. 6d. orange, twice cancelled by "1" barred oval, showing "SHIP LETTER/MELBOURNE" oval d.s. and London Paid c.d.s., both in red. R.P.S. Certificate (1963). Photo