. A splendid and rare franking in characteristic bright colours. Ex Dawson. Photo" /> cover --, a horizontal pair [11-12] with clear to just clear margins, affixed to 1855 (April) E. to Amsterdam (31.5 arrival), marked<I> "par overland mail via Marseille"</I> . A splendid and rare franking in characteristic bright colours. Ex Dawson. Photo | Christie's