, bearing 1856 1/- with wing-margin, placed inverted and clearly cancelled "M", showing small Malta c.d.s. on reverse partly overstruck by London transit d.s., both in red. Photo" /> cover 1858 (13 Nov.) double rate envelope (flap missing and other faults) to Exeter, marked<I> "Via Marseilles"</I>, bearing 1856 1/- with wing-margin, placed inverted and clearly cancelled "M", showing small Malta c.d.s. on reverse partly overstruck by London transit d.s., both in red. Photo | Christie's