Chickasaw National Recreation Area, Oklahoma is the 5th coin in the 2011 America The Beautiful National Park Series. 5 oz .999 fine silver. Single coins will come in a plastic flip or add a Z5 Airtite plastic capsule at checkout. Purchases of 10 coins will come in an unsearched mint-issued tube. Purchases of 100 coins will come in a mint-issued sealed monster boxes.