I don’t know any details of the picture. But gaining weight as you get older is completely normal for men and women. If you’re expecting to have a 25 year old physic at 50 you’re in for a lot of depression long before you reach 50.
Plus people like Crow worked out a lot. You don’t get movie star muscle without doing a lot of work, and probably some short cuts. When you stop doing that you gain weight that isn’t muscle.
Shit, even going from a semi active lifestyle to a 9-5 office job will add a belly if you’re not hitting the gym.
He looks normal for a guy his age, and for what he’s done for decades.