https://www.ebay.com/itm/146818736702?_trkparms=amclksrc%3DITM%26aid%3D777008%26algo%3DPERSONAL.TOPIC%26ao%3D1%26asc%3D20250324084321%26meid%3Df6fd7ba87fca41b692a42e7b176b28cb%26pid%3D101949%26rk%3D1%26rkt%3D1%26itm%3D146818736702%26pmt%3D1%26noa%3D1%26pg%3D4375194%26algv%3DRecentlyViewedItemsV2WithMLRPboosterAndUpdatedFeatures_BP&_trksid=p4375194.c101949.m162918&_trkparms=parentrq%3A2a5347f61990a582866e1948fff7629d%7Cpageci%3A68bfc18f-8cd7-11f0-8aaf-4660e610ce27%7Ciid%3A1%7Cvlpname%3Avlp_homepage
Check out this slabbed "SHOWBOAT $25 ATLANTIC CITY" chip. Then google; National Numismatic Certification
