Royal Mail Atlantis Cruises Istanbul TurkeyOriginal vintage travel poster for Royal Mail Line Atlantis Cruises featuring artwork by the British poster designer Percy Padden (1885 1965) depicting a smiling boy with a monkey in the foreground and a view over trees to the city and sea below the blue sky background, the text on the margin below. The Royal Mail Steam Packet Company America House Cockspur Street SW1 Royal Mail House Leadenhall Street EC3. Royal Mail Lines (1932 1965) was a leading