Older sign Full Bore oil lubricant advertising sign 70's

[Inix]

Found this sign recently. It came out of a Suzuki dealership that closed in the 70's. The front is plastic. The frame and back are metal. It has two fluorescent lights in it that are working. Approx. 30"×30". Any info is appreciated!

 

[aa battery]

I used that 2 cycle oil in my dirt bike in the 70s. It was the best

 

[Professor of Engineering]

Cool sign!