The 2023 Central States Numismatic Society (www.csns.org) convention, April 27-29, will have more than 600 dealers, educational seminars organized by the Newman Numismatic Portal (nnp.wustl.edu), and a $15 million "Rarities From 1796" exhibit of historic early American coins. The show will now occupy two floors of the Renaissance Schaumburg Hotel and Convention Center, 1551 North