Good friend of mine gave me a signed Ligier JS F4 Sequence poster, Who signed it?

https://preview.redd.it/80ck634ffucf1.jpg?width=3024&format=pjpg&auto=webp&s=6dbca9ff8883014fe548e016535488348ddfe7cb

https://preview.redd.it/u8jgt6iffucf1.jpg?width=3024&format=pjpg&auto=webp&s=ed6236161b26e18de29c0a44431e236bd7acdf05

https://preview.redd.it/oh0tjj23gucf1.jpg?width=3024&format=pjpg&auto=webp&s=6350de0cc20dee09edf04628f644571db13cbdcc

My buddy was gifted this and gave it to me, and he additionally has no thought who signed it however nonetheless needed to offer it to me since i like Motorsports. I cant determine/learn who signed it. Any assistance is nice