Eight-year-old Clint Wolcyn walked among tables of sports cards, eyeing a Paul Molitor rookie card selling for $100. His grandfather, who played professional baseball in the 30s, had taken Wolcyn ...

eyeing a Paul Molitor rookie card selling for $100. His grandfather, who played professional baseball in the 30s, had taken Wolcyn to his first card show. “Someday, I’ll maybe own that card ...