Cardboard Promotions Boston-Dedham Sports Card & Autograph Show, Sunday, December 6 from 8:30 to 2, Holiday Inn, Dedham.85+ Vendor Tables, Door Prizes, Free Holiday Gift to 1st 150 attendees.Buy-Sell-Trade Old & New Sports Cards & Memorabilia, $3 admission, under 16 free. Autograph Guests: Football Hall of Famer Adam Vinatieri and Hockey Hall of Famer Tkachuk. Exit 29A off Rt. 95 to the Holiday Inn