There are some listed at Casey, Illinois on Facebook marketplace
https://www.facebook.com/marketplace/item/793103147053529
https://www.facebook.com/marketplace/item/1137232674818299

Also Sullivan, Indiana
https://www.facebook.com/marketplace/item/1337407021125963

Don't know if it would interest you but there's also Hickory nuts listed at Mt. Carmel
https://www.facebook.com/marketplace/item/841340218238336