The Mega Card & Collectibles Expo takes place Saturday and Sunday, October 17-18, 2026, from 10 a.m. to 3:30 p.m. at the Madison County Fairgrounds, 205 Elm Street in London.
Shoppers receive free admission and can hunt for rare cards, collectibles, and memorabilia from dealers. Up to 250 dealer tables are available. Contact Mike at 937-301-7903 to reserve space.
The event is a short drive from Dayton, Columbus, Xenia, and Springfield. Details appear on multiple Ohio card-show calendars.
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