This listing is for the single challenge coin pictured. From a retired Navy admiral's personal collection. Source is unknown; perhaps there was an event at the Ford Library or Foundation or it had something to do with the 2013 launch or christening of USS GERALD R FORD (CVN-78), a US Navy nuclear powered aircraft carrier. Absolutely guaranteed original and authentic. Item will be carefully packaged and insured for shipment. To enable me to combine shipping for more than one item, please buy all the items you would like to combine but request an invoice BEFORE paying for them. DOMESTIC SHIPPING: Default shipping method is to place item in USPS' hands same or next business weekday (unless I am away, which will be stated in the listing) to go Ground Advantage with tracking number uploaded. Expedited shipping (also with uploaded tracking) available at additional cost - see all shipping options. INTERNATIONAL BUYERS PLEASE TAKE NOTE!!: Import duties, taxes, VAT, and destination charges levied by your country are NOT included in the item price or my shipping charge paid at checkout (unless specifically noted for some buyers with prepaid VAT). Buyer is responsible for paying them after the item arrives and your customs service determines any charges due.