Check the listing for details. 2017-S Enhanced Kennedy Half UNC From 225th Anniversary Set. Condition: Ungraded, Made in United States. Listed at 14.99 USD. The 2017-S Enhanced Unc Clad Kennedy Half from the 225th Anniversary Set is a collectible coin minted in San Francisco. This uncirculated half dollar features a unique enhanced strike type and is composed of clad materials sourced from the United States. Perfect for any Kennedy coin collector, this piece of US currency is a special addition to any collection.