This is a landscape magazine ad for Lil Hustler by Datsun.  It features a marching band loading musical instruments in the back of the Li'l Hustler... from Hall to Haul.

There is a mention of the concept of this advertisement given to a person at/of Louisiana State University.

In good condition, measuring approximately 11" x 8 1/4" 

See photos.

Thank you for looking and happy shopping!