Stan Lee was 83 in Fantastic Four: Rise of the Silver Surfer when he played the character 'Stan Lee - Rejected Wedding Guest'.
That was over 17 years ago in 2007.
In 2018 he died aged 95, starring in 123 films in his career, 79 of those after Fantastic Four: Rise of the Silver Surfer was first released. If he were alive today he would be 101.
In Fantastic Four: Rise of the Silver Surfer, I think Stan Lee looks: