if these are anything like the other SEMIQUINCENTENNIAL commemorative $1 coins, they’re clad, presumably with a thin layer of gold, though that’s actually not clear ...
https://www.usmint.gov/coins/coin-programs/american-innovation-dollar-coins/shop/
OTOH, there are indeed quite a few beautiful SEMIQUINCENTENNIAL coins struck in 24K solid based on the designs of some of Americas most beautiful historic coin designs:
https://www.usmint.gov/coins/coin-programs/semiquincentennial/shop-gold_set_philadelphia/
Of course it's not clear! Why would they want to be clear about that?! It would only hurt sales!
It's composed of non-precious metals, but will have a "gold-like finish," the spokesperson said.Regards,