More and more airlines are using the image of older aircraft or ship history to advertise or commemorate anniversaries.
an example below with Air France.
This aircraft below, owned by France DC3, registered F-AZTE, has been repainted since 2010 in all the colors of Air France of 50 years under the registration F-BBBE of the time, for a promotional tour for the behalf of Air France:
rotation of Dakar, via Pau, Rabat, Casablanca, Marrakech, Lisbon, Gran Canaria and return by St. Louis.
Douglas DC-3C at Paris Air Show in June 2011. Do you have other examples?