Both. I still use machines and occasionally take a lunch. What's that got to do with anything? I do know that there's not a food, pop, or coffee machine anywhere that I know of that can handle these coins.
And when I give them to my grandchildren, they say, "Wow, Grandpa gave me Chucky Cheese quarters!"
For a decade or so it has been exceedingly common for a single vending company to contract with a manufacturer to provide ALL the vending machines with all the capability needed to provide meals.