This is an original film poster of the film Don't Raise the Bridge, Lower the River. The 1968 movie starring Jerry Lewis and Terry Thomas. 
 
This is a original vintage theatrical landscape one sheet folded movie poster.
Size: 30 inces (76cm) by 40 inches (102cm)
 
The film plot was about an American who planned to cheat the British out of some considerable money with the help of an English con artist.