Sitting invisible in that elegant howdah, why couldn't it be you? -- a poster from 1924

Source: ebay, Apr. 2005

Air France takes the romantic route

Source: ebay, July 2001

If not a rider, you can be a spectator

Source: ebay, May 2007

From the 1950's, by S. Hall

Source: ebay, June 2007

A poster by Donald Brun for Swissair, 1958

Source: ebay, May 2007

Frank Wootton adds more local color

Source: ebay, May 2007